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# Gradient Engineering Ltd

Motorsport Inlet Systems

## Sitemaps

- [XML Sitemap](https://gradient-engineering.com/sitemap.xml): Contains all public & indexable URLs for this website.

## Posts

- [Blog](https://gradient-engineering.com/blog) - All the News and Technical Articles from Gradient Engineering Ltd.
- [Paul Griffin becomes Member of IMechE](https://gradient-engineering.com/paul-griffin-becomes-member-of-imeche) - Congratulations to Paul Griffin on becoming an Incorporated Engineer with the Institution of Mechanical Engineers.
- [Cosworth Engine Failure](https://gradient-engineering.com/cosworth-engine-failure) - Ford Escort Cosworth Engine failure diagnosis revealed a snapped bolt to be the cause.
- [RS2000 16v 2.3 Engine Conversion](https://gradient-engineering.com/rs2000-16v-2-3-engine-conversion)
- [Soap Box Build](https://gradient-engineering.com/soap-box-build) - Team Gradient are intending to take part in the 2018 Hinckley BID Soapbox Derby on the 8th July. This year's Soapbox is being built around an old formula student chassis that was acquired a few years ago. The basic chassis is good, with front suspension and steering points, but the rear section is missing, so a
- [CVH Roller Rocker](https://gradient-engineering.com/cvh-roller-rocker) - After years of working on the design, finding manufacturers and building a brand I've finally achieved my dream of making my own roller rockers for my race car
- [Virtual CNC Heads Championship Rounds 5 & 6 - Cadwell Park](https://gradient-engineering.com/virtual-cnc-heads-championship-rounds-5-6-cadwell-park) - Rounds 5 and 6 were at Cadwell Park with mixed weather it turned out to be a great event. Round 5 Round 5 started in tricky conditions that would only prove to get trickier. With fog and light rain for the morning practice, it was hard going for all the competitors. The paddock was without
- [Stag V8 EFI Fuel Injection conversion](https://gradient-engineering.com/stag-v8-efi-fuel-injection-conversion)
- [CVH XR2i Head Setup](https://gradient-engineering.com/cvh-head-set-up) - Setting up our Racing Ford CVH Cylinder Head to reduce the number of failures due to cam follower adjustments
- [CVH Roller Rocker Arms - Update September 2018](https://gradient-engineering.com/cvh-roller-rocker-arms-update-september-2018) - We thought you might like a quick update on where we are with our CVH Roller Rocker Arms, well the design & development stage is nearing completion as we are currently in discussions with some of our manufacturing partners to finalise manufacturing details. The specification has been confirmed as; Direct replacements for original arms Billet Aluminium Anodised
- [Hinckley Classic Car Meet - August 2017](https://gradient-engineering.com/hinckley-classic-car-meet-august-2017) - A few pictures taken from the local classic car meet in Hinckley town centre in August 2017
- [The end for the combustion Engined Vehicle](https://gradient-engineering.com/the-end-for-the-combustion-engined-vehicle) - The UK government announced today that they wish to see an end to the sale of petrol and diesel powered vehicle in the UK by 2040. Whilst the principle of using electrically powered propulsion is a good one, it should not be viewed as that only one, there are other clean energy propulsion options being
- [End of Season Review](https://gradient-engineering.com/end-of-season-review) - The team review from the end of the 2015 racing season
- [New Season, New Upgrades](https://gradient-engineering.com/new-season-new-upgrades) - During the winter break a few upgrades and improvements have been planned for the Fiesta. The main improvement being an updated clutch and an upgrade to a new engine management system. A new clutch from CG Motorsport was sourced in the form of a 4 paddle cerametalic friction plate with high pressure clutch cover plate

## Pages

- [Gradient Engineering Individual Throttle Bodies and Intake Systems](https://gradient-engineering.com/) - Direct to Head Individual Throttle Bodies, Inlet Systems, and Engine Components for Motorsport, Competition and Performance engines.
- [Individual Throttle Bodies - FAQ](https://gradient-engineering.com/individual-throttle-bodies-faq) - Q: What are individual throttle bodies (ITBs)? A: Individual throttle bodies (ITBs) are a type of intake system used in internal combustion engines. Instead of a single throttle body, ITBs feature individual throttle valves for each cylinder. This setup allows for better airflow control and improved engine response. Q: What are the benefits of using
- [Classic & Kit Car Recommissioning Leicester](https://gradient-engineering.com/services/classic-kit-car-recommissioning-leicester) - Professional vehicle recommissioning in Leicester for classic cars, kit cars and stored vehicles. Mechanical inspections, servicing, MOT preparation & repairs
- [Fitting Service](https://gradient-engineering.com/services/fitting-service) - Fitting Services We offer a range of fitting options available for all of our intakes, as well as products from selected suppliers, ranging from Camshaft replacements to full standalone ECU installations.
- [Contact Us](https://gradient-engineering.com/contact-us) - Contact Gradient engineering by email or phone. Located in Hinckley in the Midlands with good access to the whole country
- [Engineering Services](https://gradient-engineering.com/services/engineering-services) - Engineering Services At Gradient Engineering, we are able to assist in taking your idea from a concept through to detailed design, and even arranging prototype production. We can produce full working drawings, specifications, datasheets, and calculations to validate the design. Our Engineering Design Services include; Design Optimisation Material selection Design Calculations Component selection Prototype Creation
- [Custom Inlet Systems](https://gradient-engineering.com/services/custom-inlets) - The creation of customised inlet systems for engines that do not have off the shelf solutions. The inlets are designed specifically for the engine.
- [Services](https://gradient-engineering.com/services) - Specialist Motorsport and mechanical engineering design, development and research services. Providing detailed innovative engineered solutions.
- [Sponsorship Opportunity](https://gradient-engineering.com/sponsorship-opportunity)
- [Partner With Gradient Engineering](https://gradient-engineering.com/partner-with-gradient-engineering) - Your Ideal Design and Development Partner Why Collaborate With Us? At Gradient Engineering, we combine advanced simulation, precision design, and real-world testing to create parts that perform exactly as intended.We specialise in supporting: Performance tuning shops Aftermarket retailers Race teams and series organisers Specialist automotive builders Our goal is simple:Help you deliver better, more consistent,
- [Sponsorship Application Form](https://gradient-engineering.com/sponsorship-application-form) - Please complete the form on this page or download a copy here
- [Terms and Conditions](https://gradient-engineering.com/policies) - Customers' orders are accepted subject to the following Terms and Conditions of sale, which shall have exclusive application; these do not affect your statutory rights: 1. General 1.1. The owner of this website is Gradient Engineering Ltd, whose address is 20 Spa Lane, Hinckley, Leicestershire, LE10 1JB, UK ('Gradient Engineering ltd’/‘we’ /‘us’/‘our’). 1.2. No contract
- [Wishlist](https://gradient-engineering.com/wishlist)
- [Technical](https://gradient-engineering.com/technical)
- [Motorsport](https://gradient-engineering.com/motorsport) - Gradient Engineerings motorsport and racing activities.
- [Show Enquiry Record](https://gradient-engineering.com/gradient-working-sheets/show-enquiry-record)
- [Testing Form](https://gradient-engineering.com/gradient-working-sheets/testing-form)
- [Focus Check Sheet](https://gradient-engineering.com/gradient-working-sheets/focus-check-sheet)
- [Design Services](https://gradient-engineering.com/services/computer-aided-design-service) - Advanced 3D modelling of products and components. Producing realistic visualisation and manufacturing drawing.
- [Delivery](https://gradient-engineering.com/policies/delivery) - Delivery of items is through 3rd parties. Throttle bodies and built to order parts - allow 6 - 8 weeks for delivery. Items that are in stock will generally be packaged and sent out within 3 days of receiving cleared payment. To check the stock level of an item please contact us. Delivery cost is
- [Payment](https://gradient-engineering.com/payment)
- [Tesla Throttle Body Interest](https://gradient-engineering.com/tesla-throttle-body-interest) - Thank you for showing interest in our Tesla Throttle bodies kits. These kits are not yet on general sale. Maybe you'd like to view our current range of Throttle Bodies here Hope you have a good 1st of April. The Gradient Engineering Team
- [Shop](https://gradient-engineering.com/shop) - Our product range is continuously evolving, email info@gradient-engineering.com to enquire about new products
- [Throttle Bore and Length](https://gradient-engineering.com/technical/throttle-bore-and-length) - The effects that inlet bore and length have on the performance and driving characteristics of a road and race engine.
- [Direct to Head Individual Throttle Bodies](https://gradient-engineering.com/products/individual-throttle-bodies-direct-to-head) - Direct to Head Individual Throttle Bodies for Motorsport and High-Performance engines. Available for a large range of different engines and applications
- [Dealers](https://gradient-engineering.com/dealers) - We have a number of official dealers who are able to supply a range of our products. If you are interested in becoming a dealer of Gradient Engineering then please fill in our dealer enquiry form here and a member of our team will be in contact. This is a list of our current dealer
- [Privacy Policy](https://gradient-engineering.com/policies/privacy-policy) - PRIVACY NOTICE Last updated July 19, 2020 Thank you for choosing to be part of our community at Gradient Engineering Ltd (“Company”, “we”, “us”, or “our”). We are committed to protecting your personal information and your right to privacy. If you have any questions or concerns about this privacy notice, or our practices with regards to your personal
- [Individual Throttle Bodies V's Single Throttle Body](https://gradient-engineering.com/technical/individual-throttle-bodies-vs-single-throttle-body) - In this article, we will explain the benefits and limitations of the different types of inlet systems. Single Throttle Bodies A single throttle body is the most common setup found on production engines. The whole engine is feed air through the one throttle body mounted to an air chamber or plenum at is common to
- [Engineering Design](https://gradient-engineering.com/services/engineering-design) - Engineering design and development of productions and components for motorsport and general engineering industries. Using modern design and evaluation methods
- [Newletter Sign up](https://gradient-engineering.com/newletter-sign-up) - Keep up to date with all our latest developments and be the first to receive our special offers [wpforms id="1577"]
- [Dealer Enquiry](https://gradient-engineering.com/dealer-enquiry) - To register interest in becoming a dealer please fill in the form and a member of our team will be in contact [wpforms id="1549" title="false" description="false"]
- [Products](https://gradient-engineering.com/products) - We offer a growing range of our own products these products include Roller Rockers Our Roller Rocker Arms for the Ford CVH family of engines are designed to withstand the harsh environments of Motorsport and Modified Vehicles. Features Billet Aluminium Arms Hardened Steel Rollers Needle Roller Bearings Wear-resistant Anodized arms Benefits Increased Arm Stiffness Reduced
- [Ford CVH Roller Rocker Arms](https://gradient-engineering.com/products/ford-cvh-roller-rocker-arms) - Roller Rocker Arms for the Ford CVH Family of Engines. Designed to improve efficiency within the valve train comes from the reduced weight and the reduction in friction between the rocker and the valve / rocker.
- [Racing Activities](https://gradient-engineering.com/motorsport/motorsport) - Gradient Engineering motorsport and racing activities.
- [Warranty](https://gradient-engineering.com/policies/warranty) - Warranty/Guarantee Products and components designed or supplied by Gradient Engineering Ltd will be warranted for 12 months from date of purchase or service undertaking. Any warranty claims must be notified to Gradient Engineering Ltd as soon as possible and the offending item returned for inspection, repair or replacement. Components or products which have been modified
- [Returns](https://gradient-engineering.com/policies/returns) - If on customers receipt of an order any item found to be damaged, faulty or unsuitable they need to be reported to the company and returned within 14 days for a refund. Goods damaged in transit need to have photographic evidence of damage to the unopened packaging, failure to supply suitable evidence of damage may
- [Payments](https://gradient-engineering.com/policies/payments) - Payments Goods purchased from Gradient Engineering shall by paid for in full upon ordering. Failure to pay in full when ordering will result in a cancellation of the order. Unless prior agreement between Gradient Engineering and the sell has been arranged. Suitable payment methods are Online on our website - thought our murchant partner Cash
- [Newsletter](https://gradient-engineering.com/policies/newsletter) - [newsletter]
- [Inlet Developer Scheme](https://gradient-engineering.com/inlet-developer-scheme) - We appreciate that there are many different engines out there in differing states of tune and fitted to a range of different cars and chassis, therefore to help us in developing kits for as many different engines and applications we have established our Inlet Developer Scheme. The intention of this scheme is to allow us
- [Developer Contact Form](https://gradient-engineering.com/contact-us/developer-contact-form)
- [Newsletter](https://gradient-engineering.com/newsletter) - [newsletter]
- [3D Printing](https://gradient-engineering.com/services/3d-printing) - We offer small scale 3D printing service to Hinckley and the surrounding area, we can print from your model or help with 3D modelling and engineering, which means if you have an idea or an object that you would like printing we can help
- [Engine Building](https://gradient-engineering.com/motorsport/engine-building) - Building of high performance and competition engines to the highest standards to comply with all relevant regulations and customer requirements.
- [Subscription Settings](https://gradient-engineering.com/subscription-settings) - [supsystic-subscribers-page]
- [Checkout](https://gradient-engineering.com/shop/checkout) - [shoppingcart]
- [Transaction Results](https://gradient-engineering.com/shop/transaction-results) - [transactionresults]
- [Your Account](https://gradient-engineering.com/shop/your-account) - [userlog]

## Products

- [Ford Focus Mk3 RS & ST250 Cast Intake Manifold](https://gradient-engineering.com/product/ford-focus-rs-intake-manifold) - High-performance Billet Intake Manifold for Ford Focus RS ST (2012 -2018) 2.0 and 2.3 Ecoboost engines. Increases power and torque throughout the rev range.
- [Ford Focus Mk4 ST Cast Intake Manifold](https://gradient-engineering.com/product/ford-focus-mk4-cast-intake-manifold) - High-performance Billet Intake Manifold for Ford Focus RS ST (2012 -2018) 2.0 and 2.3 Ecoboost engines. Increases power and torque throughout the rev range.
- [Focus plenum Inlet Gasket - Cast Manifolds](https://gradient-engineering.com/product/focus-inlet-gasket-cast-manifolds) - Replacement plenum to manifold gasket for Ecoboost inlet system for cast manifolds.
- [Bare Casting - Focus Mk3 ST RS Plenum Cover](https://gradient-engineering.com/product/bare-casting-focus-mk3-st-rs-plenum-cover)
- [Bare Casting - Focus 2.0 Ecoboost inlet manifold](https://gradient-engineering.com/product/bare-casting-focus-2-0-ecoboost-inlet-manifold)
- [Ford Ecoboost 2.0 2.3 intake Gasket](https://gradient-engineering.com/product/ecoboost-intake-manifold-gasket) - Replacement Inlet gasket for Ecoboost inlet system. The gasket sits between the head inlet flange and the intake manifold.
- [Ford Zetec ST170 Throttle Bodies - Direct to Head](https://gradient-engineering.com/product/ford-zetec-st170-individual-throttle-bodies-direct-to-head) - Direct to Head Individual throttle bodies for Ford Zetec ST170 Engine. The throttle bodies are available in 45, 48, and 50mm to suit different states of tune and driving requirements.
- [Ford Duratec Individual Throttle Bodies - Direct to Head](https://gradient-engineering.com/product/ford-duratec-individual-throttle-bodies-direct-to-head) - Direct to Head Individual throttle bodies for Ford/Mazda Duratec Engine, available in 45, 48, and 50mm throttle sizes
- [Mazda MX5 1.8 BPZE Individual Throttle Bodies - Direct to Head](https://gradient-engineering.com/product/mx5-bpze-individual-throttle-body-kit) - Direct-to-Head individual throttle bodies for the Mazda MX5, Miata, Eunos 1.8 BPZE Engine. These throttle bodies have been developed for Motorsport and High Performance engines
- [Ford CVH M8 x 1.0 rod bolt kit(43mm UHL)](https://gradient-engineering.com/product/ford-cvh-m8-x-1-0-rod-bolt-kit43mm-uhl) - Rod bolts to suit the Ford CVH Con Rods. These fit in the standard rods replacing the standard bolts If these items are to be used with aftermarket rods then the rod threads need to be checked to ensure these are the current items. Some aftermarket rods use a different bolt. Email us for advice
- [ITG JC50 BIG TWIN CARBURETTOR FILTER](https://gradient-engineering.com/product/itg-jc50-big-twin-carburettor-filter) - These robust filters are the standard fit for most competition cars around the world. The two red fibre-reinforced nylon injected mouldings which form the structure have the ITG unique Tri-Foam filter system bonded to them to give the ultimate in performance. MEASUREMENTS A - (Internal Height mm) Distance from the face of the baseplate to
- [Mitsubishi EVO 4-9 4G63 ITB Inlet System](https://gradient-engineering.com/product/mitsubishi-evo-4-9-itb-inlet-system) - High-performance individual throttle body inlet system for the Mitsubishi EVO engines. This inlet setup replaces the exiting inlet manifold with our direct to head throttle body setup and turbo plenum. The inlet system fits the engines found in the EVO 4 to EVO 9. Designed to fit within the confines of the original Mitsubishi EVO
- [Throttle Linkage for Direct to Head Bodies](https://gradient-engineering.com/product/throttle-linkage-for-direct-to-head-bodies) - Throttle Link for use with our Direct-to-Head throttle bodies. The linkage mounts onto the body and connections to the actuating arm of the throttle spindle. With multiple position options on the rocker assembly to allow fine-tuning of the throttle pedal movement.
- [Weber / Magneti Marelli IWP069 Pico Fuel Injector 480cc/min](https://gradient-engineering.com/product/weber-magneti-marelli-iwp069-pico-fuel-injector-480cc-min) - Genuine Magneti Marelli IWP069 Fuel Injector
- [2 Pin Minitimer Connector plug & Boot](https://gradient-engineering.com/product/3-pin-minitimer-male-plug-boot) - 2 Pin Minitimer plug for use with pico fuel injectors Comes with boot to protect the wiring loom.
- [Coil Packs](https://gradient-engineering.com/product/coil-packs)
- [4 Pin Coil Pack Wiring Connector](https://gradient-engineering.com/product/coil-pack-connector)
- [Fuel Pressure regulator 2.5 bar - Push on fittings](https://gradient-engineering.com/product/fuel-pressure-regulator-2-5-bar-push-on-fittings) - Fuel Pressure regulator 2.5 bar - Push on fittings
- [Stag V8 EFI Intake System](https://gradient-engineering.com/product/stag-v8-efi-intake-system) - Stag V8 EFI Kit
- [Ford Zetec Turbo Intake System](https://gradient-engineering.com/product/ford-zetec-turbo-inlet-system) - Inlet system for Ford Zetec 1.8 and 2.0 litre engines. This billet inlet manifold is ideal for both Zetec Turbo builds and normally aspirated engines.
- [Ford Focus Mk1 RS & ST170 Sytec Fuel Pump Upgrade Kit](https://gradient-engineering.com/product/ford-focus-mk1-rs-st170-sytec-fuel-pump-upgrade-kit) - High-performance fuel pump for the Ford Focus Mk1 RS & ST170. The new Sytec range of 300 & 340 Ltr/Hr High-Performance fuel pumps have been designed and tested with performance & reliability as a priority. Pumps with part numbers ending in ‘G’ are for vehicles using standard forecourt petrol with up to 15% ethanol content.
- [Ford Fiesta ST150 Sytec Fuel Pump upgrade kit](https://gradient-engineering.com/product/ford-fiesta-st150-sytec-fuel-pump-upgrade-kit) - High-performance fuel pump for the Ford Fiesta ST150 The new Sytec range of 300 & 340 Ltr/Hr High-Performance fuel pumps has been designed and tested with performance & reliability as a priority. Pumps with part numbers ending in ‘G’ are for vehicles using standard forecourt petrol with up to 15% ethanol content. Part numbers ending
- [Sytec Fuel Filter 14x1.5 in 12x1.5 out](https://gradient-engineering.com/product/sytec-fuel-filter-14x1-5-in-12x1-5-out) - Fuel Injection Filter Length mm:- 152mm Diameter mm:- 79mm Inlet mm:- 14x1.5mm Outlet mm:- 12x1.5mm Micron:- 10-20 Micron Max Pressure :- 10 Bar Construction:- Metal Canister
- [Hi OTP017 Hi Fuel Pump 12mm in, 8mm out Ex.Tank](https://gradient-engineering.com/product/fuel-pump) - External Fuel pump. Details Hi OTP017 Out-Tank Fuel Injection Pump (3 Bar) Fittings In:-12 Fittings Out:-8 Pump:-Hi P3017.1 Voltage:-12 Flow Ltr/Hr (Max):- 264 Flow Ltr/Hr @ 3 Bar (44psi):- 201 Flow Ltr/Hr @ 5 Bar (73psi):- 165 Flow Chart Location To Tank (Mtrs) 0.6 Length (mm):-165 Diameter (mm):-50 Weight (Kg):- 0.6 Please ensure that a
- [6mm OD Nylon Tube - Vacuum Lines](https://gradient-engineering.com/product/6mm-od-nylon-tube-vacuum-line) - Black Nylon Tube for use with 6 mm push-fit pneumatic fitting. Ideal for running vacuum lines from manifolds and throttle bodies to sensor blocks and other items that require a vacuum. 6mm OD x 4mm ID Sold by the metre
- [Focus Auxiliary Fuelling upgrade](https://gradient-engineering.com/product/focus-auxiliary-fuelling-upgrade) - Retrofitting kit for Auxiliary Fueling to your existing Gradient Engineering Intake manifolds. These can be installed at home following the easy-to-follow instructions. The kit comes complete with; Predrilled Fuel Rail Mounting Brackets Plenum to manifold gasket Fitting Instruction Spacers
- [6mm x 1/4 NPT Male Stud Adaptor-Vacuum Push Fitting](https://gradient-engineering.com/product/6mm-x-1-4-npt-male-stud-adaptor-vacuum-push-fitting) - 6mm push fit to 1/4 NPT vacuum and pneumatic adaptor. These are ideal for use with our throttle bodies for running 6mm vacuum lines from the runner to sensor blocks.
- [6mm x 1/8 NPT Male Stud Adaptor-Vacuum Push Fitting](https://gradient-engineering.com/product/6mm-x-1-8-npt-male-stud-adaptor-vacuum-push-fitting) - 6mm push fit to 1/8 NPT vacuum and pneumatic adaptor. These are ideal for use with our throttle bodies for running 6mm vacuum lines from the runner to sensor blocks.
- [6mm x 1/8 NPT Male Stud Elbow -Vacuum Push Fitting](https://gradient-engineering.com/product/6mm-x-1-8-npt-male-stud-elbow-vacuum-push-fitting) - 6mm push fit to 1/8 NPT Elbow vacuum and pneumatic adaptor. These are ideal for use with our throttle bodies for running 6mm vacuum lines from the runner to sensor blocks.
- [Anodised Bolts for 2.0 / 2.3 Ecoboost Manifolds](https://gradient-engineering.com/product/anodised-bolts-for-2-0-2-3-ecoboost-manifolds) - Set of Anodised Bolts for our Focus intake manifolds Available in a wide range of colours
- [Fuel Rail for Focus Plenum Additional Injectors](https://gradient-engineering.com/product/fuel-rail-for-focus-plenum-additional-injectors) - Auxiliary fuel rail for 2.0 & 2.3 Ford Ecoboost Intake Manifolds
- [Throttle Position Sensor (TPS) Kit](https://gradient-engineering.com/product/throttle-position-sensor-tps-kit) - Wabash 971 TPS Throttle Position Sensor for use with our throttle bodies. Comes complete with 3 pin minitimer connector and boot installed, also comes with a female 3 pin minitimer connector and boot for installing onto the existing wiring loom.
- [Throttle Position Sensor](https://gradient-engineering.com/product/throttle-position-sensor-tps) - Wabash 971 TPS Throttle Position Sensor for use with our throttle bodies as well as fitting many other brands. Comes complete with male 3 pin minitimer connector and boot installed,
- [Gasket - Plenum to Backing plate](https://gradient-engineering.com/product/gasket-plenum-to-backing-plate) - Plenum chamber to backing plate gasket
- [Replacement Fittings](https://gradient-engineering.com/product/replacement-fittings)
- [Ford Zetec ST170 Intake System](https://gradient-engineering.com/product/ford-zetec-st170-inlet-system) - Inlet system for Ford Zetec 1.8 and 2.0 litre engines. This billet inlet manifold is ideal for both Zetec Turbo builds and normally aspirated engines.
- [Ford Fiesta ST 180 - Billet Intake Manifold](https://gradient-engineering.com/product/ford-fiesta-st180-billet-intake-manifold) - Ford Fiesta ST 180 intake manifold. Ecoboost 1.6 Fiesta ST180 Mk7 & Mk8 Strong and reliable, made from billet aluminium for strength, this intake will withstand higher boost pressure than the OEM plastic version. Designed for turbo boost pressures of 5 bar, allowing you to run more boost and therefore more power. Uses original fittings
- [Universal Crank Angle Sensor](https://gradient-engineering.com/product/universal-crank-angle-sensor) - A Universal Crank Angle Sensor for use with Electronic Fuel Injection (EFI) and Distributorless Ignition systems. This Sensor can be housed in a suitable bracket and used with a matching toothed trigger wheel. This will allow the Engine Control Unit to know the rotation speed of the engine.
- [Ford Zetec Individual Throttle Bodies - Direct to Head](https://gradient-engineering.com/product/ford-zetec-direct-to-head-throttle-bodies) - Direct to Head Individual throttle bodies for Ford Zetec silvertop Engine. The throttle bodies are available in a range of sizes to suit different applications
- [Universal 70mm Throttle Body](https://gradient-engineering.com/product/universal-70mm-throttle-body) - Universal 70mm Throttle Body
- [zetec Inlet Flange](https://gradient-engineering.com/product/zetec-inlet-flange)
- [AN-6 to 3/8" Quick Connector Straight](https://gradient-engineering.com/product/an-6-to-3-8-quick-connector-straight) - Quick Connector, used for fuel lines and breather lines. AN -6 (-6AN JIC AN-06) Quick Connect 3/8 Male Striaght
- [AN -6 (AN6 AN 06) to M18x1.5 Metric Adapter - Black](https://gradient-engineering.com/product/an-6-an6-an-06-to-m18x1-5-metric-adapter-black) - AN -6 (AN6 AN 06) to M18x1.5 Metric Adapter - Black
- [Stag Inlets](https://gradient-engineering.com/product/stag-inlets)
- [Throttle Position Sensor (TPS) Clockwise](https://gradient-engineering.com/product/throttle-position-sensor-vtp11-tps) - VTP11 TPS Throttle Position Sensor or use with our throttle bodies, Clockwise rotation for fitment on righthand side body when look at from the trumpets, using our typical throttle linkage. This sensor comes with bare tails, so will need a suitable wiring plug adding.
- [Breather adaptor - M14 - Ford](https://gradient-engineering.com/product/breather-adaptor-m14-ford)
- [Ford CVH Individual Throttle Bodies - Direct to Head](https://gradient-engineering.com/product/ford-cvh-direct-to-head-throttle-bodies) - Direct to head individual throttle bodies for the Ford CVH engine found in the Escort RS Turbo, XR3, XR3i, and the Fiesta RS Turbo, XR2 and XR2i
- [0034 046 001 IN UNV 0003 - 0823 A - Stag Intake Runners](https://gradient-engineering.com/product/0034-046-001-in-unv-0003-0823-a-stag-intake-runners) - Stag Intake Runners
- [CVH Dry Sump Pan](https://gradient-engineering.com/product/cvh-dry-sump-pan) - Dry sump pan for the Ford CVH engine
- [Universal air temperature sensor M12x1.5mm](https://gradient-engineering.com/product/universal-air-temperature-sensor-m12x1-5mm) - Universal air temperature sensor M12x1.5mm
- [1/2 Bundy J2044 Quick Connector](https://gradient-engineering.com/product/1-2-bundy-j2044-quick-connector) - Quick Connector, 1/2" Bundy J2044 as used on some OEM breather systems. M16x1.5 threaded end.
- [Stag V8 Trigger Wheel](https://gradient-engineering.com/product/stag-v8-trigger-wheel) - Trigger Wheel for Stag V8 EFI Kit Including modifying pulley to suit
- [Stag V8 EFI Wiring Harness](https://gradient-engineering.com/product/stag-v8-efi-wiring-harness) - Wiring harness for the Stag V8 EFI Kit
- [Weber / Magneti Marelli IWP043 Pico Fuel Injector 330cc/min](https://gradient-engineering.com/product/weber-magneti-marelli-iwp043-pico-fuel-injector-330cc-min) - Weber / Magneti Marelli IWP043 Pico Fuel Injector 330cc / min designed for motorsport applications. The injectors have a fast pulse response, high precision. Spray Pattern: Single Hole Flow Rate: 330cc/min @ 3 bar Impedance: 14.5 ohms Operating Temp: -30 to +110 °C Power supply: 8 - 16 V Pressure Range: 0.3 to 0.5 Mpa
- [Wasted spark coil pack with built in ignitors](https://gradient-engineering.com/product/wasted-spark-coil-pack-with-built-in-ignitors) - Wasted spark coil pack with built in ignitors
- [Matched set of 8 Bosch fuel injectors - 380ccm - EV14 52mm - with nozzle](https://gradient-engineering.com/product/matched-set-of-8-bosch-fuel-injectors-380ccm-ev14-52mm-with-nozzle) - Matched set of 8 Bosch fuel injectors - 380ccm - EV14 52mm - with nozzle Flow rate: 380ccm at 3 bar Type: EV14XT / thin / Standard Spray pattern: 6-jet fine Ohm value: 12 - 15 Ohm (high-impedance) Manufacturer: BOSCH Plug connector: Jet-tronic Length center O-ring to center O-ring: 52 mm Total length over all: 78 mm Quantity: Set of 8 matched Bosch fuel
- [Universal coolant or oil temperature sensor 1/8 NPT](https://gradient-engineering.com/product/universal-coolant-or-oil-temperature-sensor-1-8-npt) - Universal coolant or oil temperature sensor 1/8 NPT
- [3/8 Bungy to AN-6 Bundy Connector](https://gradient-engineering.com/product/3-8-bungy-to-an-6-bundy-connector)
- [Idle Air Bypass Valve](https://gradient-engineering.com/product/idle-air-bypass-valve) - Idle Air Bypass Valve
- [Stag Gasket Plenum to Manifolds](https://gradient-engineering.com/product/stag-gasket-plenum-to-manifolds) - Gaskets to seal the plenum chamber to the manifold headers 4 per set
- [Megasquirt 2 ECU for V8 Engines](https://gradient-engineering.com/product/megasquirt-2-ecu-for-v8-engines) - Megasquirt 2 ECU for V8 Engines
- [RS Turbo Inlet System](https://gradient-engineering.com/product/rs-turbo-inlet-system) - We have developed a high-performance inlet system for the Ford Escort RS Turbo and Fiesta RS Turbo. The system has been designed around our Direct to head throttle bodies and plenum chamber and withstand boost pressures up to 5 bar, with no reduction in flow at high RPMs. The package has been sized to fit
- [DCOE Replacement Throttle Bodies](https://gradient-engineering.com/product/dcoe-replacement-throttle-bodies)
- [Welding - TIG](https://gradient-engineering.com/product/welding-tig)
- [MG K-Series Individual Throttle Bodies - Direct to Head](https://gradient-engineering.com/product/mg-k-series-throttle-bodies) - Direct to head throttle bodies for the MG / Rover K-Series engine.
- [ARP Ford Escort 1.6L CVH Head Stud Kit (150MM x M10x1.5)](https://gradient-engineering.com/product/arp-ford-escort-1-6l-cvh-head-stud-kit-150mm-x-m10x1-5) - ARP Head Stud and Nut kit for the Ford CVH 1.6 Engine.
- [Weber / Magneti Marelli IWP023 Pico Fuel Injector 158cc/min](https://gradient-engineering.com/product/weber-magneti-marelli-iwp023-pico-fuel-injector-158cc-min) - Weber / Magneti Marelli IWP023 Pico Fuel Injector 158cc/min
- [Weber / Magneti Marelli IWP189 Pico Fuel Injector 510cc/min](https://gradient-engineering.com/product/weber-magneti-marelli-iwp189-pico-fuel-injector-510cc-min) - Weber / Magneti Marelli IWP189 Pico Fuel Injector 510cc/min
- [Stag Plenum Chamber](https://gradient-engineering.com/product/stag-plenum-chamber) - Plenum Chamber for the Stag V8 EFI Kit
- [Ford CVH Roller Rockers](https://gradient-engineering.com/product/ford-cvh-roller-rockers) - Roller Rocker Arms for the Ford CVH engine including the Escort RS turbo, XR3i, XR3 and RS1600 plus the Fiesta RS turbo and XR2, XR2i
- [Stag Exhaust Brackets](https://gradient-engineering.com/product/stag-exhaust-brackets) - Exhaust Brackets for the Stag V8
- [Stag Fuel Rail long](https://gradient-engineering.com/product/stag-fuel-rail) - Fuel Rail for the Stag V8 EFI Kits, long version 1 per side
- [Weber / Magneti Marelli IWP042 Pico Fuel Injector 250cc/min](https://gradient-engineering.com/product/weber-magneti-marelli-iwp042-pico-fuel-injector-250cc-min) - Weber / Magneti Marelli IWP042 Pico Fuel Injector 250cc/min
- [Ford Cosworth YB Direct-to-Head throttle bodies](https://gradient-engineering.com/product/ford-cosworth-yb-direct-to-head-throttle-bodies) - High-performance Direct-to-Head individual throttle bodies for the Ford Cosworth YB Normally Aspirated (N/A) Engine. This inlet setup replaces the exiting inlet manifold with our direct-to-head throttle bodies. The inlet system fits the engines commonly found in the Sierra Cosworth, Saphire Cosworth, and Escort Cosworth, but is often used in Normally Aspirated form in Kit Cars.
- [Ford Pinto Individual Throttle Bodies - Direct to Head](https://gradient-engineering.com/product/ford-pinto-throttle-bodies) - Direct to Head Individual Throttle bodies for the Ford Pinto engine as found in the Ford Sierras, Escort RS2000, plus many kit cars. Available in 45mm and 48mm
- [Ford Cosworth YB Turbo Direct-to-Head throttle bodies](https://gradient-engineering.com/product/ford-cosworth-yb-turbo-direct-to-head-throttle-bodies) - High-performance individual throttle body inlet system for the Ford Cosworth YB Engine. This inlet setup replaces the exiting inlet manifold with our direct-to-head throttle bodies and turbo plenum. The inlet system fits the engines found in the Sierra Cosworth, Saphire Cosworth, and Escort Cosworth. They are designed to fit within the confines of the original
- [Vauxhall C20XE (Redtop) Individual Throttle Bodies - Direct to Head](https://gradient-engineering.com/product/vauxhall-c20xe-redtop-individual-throttle-bodies-direct-to-head) - Direct to Head Individual throttle bodies for Vauxhall C20XE (Redtop) Engine. The throttle bodies are available in 45, 48, and 50mm to suit different states of tune and driving requirements.
- [MG/Rover K-Series VVC Individual Throttle Bodies - Direct to Head](https://gradient-engineering.com/product/mg-k-series-vvc-individual-throttle-bodies-direct-to-head) - Direct to head throttle bodies for the MG / Rover K-Series engine.
- [7 Port Vacuum Block](https://gradient-engineering.com/product/7-port-sensor-block) - 7 Port Vacuum Block ideal for remote mounting of pressure sensors and take-offs on individual throttle setups.
- [JC50 Carbon Fibre Trumpet Tray](https://gradient-engineering.com/product/jc50-carbon-fibre-trumpet-tray) - These Carbon Fibre Trumpet trays are designed for use where a standard baseplate setup cannot be used. Due to their dished construction, they are able to clear fuel rails; whilst retaining the ability to fit a standard JC50 Megaflow filter. These trays are available in 30mm, 60mm, and 90mm depths
- [Flange Zetec DTH 50x30](https://gradient-engineering.com/product/zetec-dth-flange-50x30) - Zetec DTH Flange for 50x30 outlet bodies
- [Flange Mazda DTH MX5 1.6](https://gradient-engineering.com/product/flange-dth-mazda-mx5-1-6) - Mazda DTH Mazda MX5 1.6 Head Flanges
- [45mm ID x 30mm Long Inlet Trumpet DCOE Mount](https://gradient-engineering.com/product/45mm-id-x-30mm-long-inlet-trumpet-dcoe-mount) - Inlet trumpet for 45mm x 30mm long. Drilled to suit DCOE bolting pattern
- [Weber / Magneti Marelli IWP048 Pico Fuel Injector 215cc/min](https://gradient-engineering.com/product/weber-magneti-marelli-iwp048-pico-fuel-injector-215cc-min) - Weber / Magneti Marelli IWP048 Pico Fuel Injector 215cc/min
- [Mazda MX5 1.6 Individual Throttle Bodies - Direct to Head](https://gradient-engineering.com/product/mx5-1600-individual-throttle-bodies) - Direct-to-Head individual throttle bodies for the Mazda MX5 1.6 Engine. These throttle bodies have been developed for the Motorsport and Modified Car Enthusiast
- [Zetec Turbo ITB Inlet System](https://gradient-engineering.com/product/zetec-turbo-itb-inlet-system) - High-performance individual throttle body inlet system for the Ford Zetec Engine, perfect for Escorts and Fiestas RS Turbos with the newer Zetec engines, or any other car which is running a full Zetec turbo engine. The system has been designed around our Direct-to-head throttle bodies and plenum chamber capable of withstanding boost pressures up to
- [Injector Blanking Plug](https://gradient-engineering.com/product/injector-blanking-plug)
- [Forge Motorsport Fuel Pressure Regulator](https://gradient-engineering.com/product/forge-motorsport-fuel-pressure-regulator) - Forge Motorsport Adjustable fuel pressure regulator. A choice of outlet sizes available
- [Filter Dome](https://gradient-engineering.com/product/filter-dome) - Competition dome filter for use with individual throttle bodies or DCOE style carburetors. Available in 3 different heights to suit the available space within the engine bay External Height Internal Height 90mm 65mm 120mm 90mm 150mm 125mm
- [Universal Top/Bottom Feed Inlet Plenum Chamber](https://gradient-engineering.com/product/top-bottom-feed-inlet-plenum-chamber) - Universal Plenum chamber for use with turbo and normally aspirated intake systems. Works will Individual throttle bodies and intake manifolds
- [Trumpet Filter Socks C1050](https://gradient-engineering.com/product/trumpet-filter-socks-c1050) - Universal Filter Socks for fitting over inlet trumpets. Suitable for Individual throttle bodies and DCOE style carburetors.
- [Base Plate for Filter Dome](https://gradient-engineering.com/product/base-plate-for-filter-dome) - Base plate for filter dome. Available in a range of pre-cut mounting profiles. Custom mounting profiles available on request
- [Racing Assembly Box Style (Carbon look) Air Filter Housing](https://gradient-engineering.com/product/racing-assembly-box-style-carbon-look-air-filter-housing) - Racing Assembly Box Style (Carbon look) air filter housing Size; Length = 435mm Width = 153mm

## Categories

- [Uncategorized](https://gradient-engineering.com/category/uncategorized)
- [Racing](https://gradient-engineering.com/category/racing)
- [Products](https://gradient-engineering.com/category/products)
- [General](https://gradient-engineering.com/category/general)
- [Technical](https://gradient-engineering.com/category/technical)
- [News](https://gradient-engineering.com/category/news) - News from Gradient Engineering Ltd
- [Newsletter](https://gradient-engineering.com/category/newsletter) - to be if item if to be included within future newsletters
- [XR2i](https://gradient-engineering.com/category/racing/xr2i)
- [Pictures](https://gradient-engineering.com/category/pictures)
- [CVH Rocker Arms](https://gradient-engineering.com/category/products/cvh-rocker-arms)
- [Frontpage](https://gradient-engineering.com/category/frontpage)
- [Policies](https://gradient-engineering.com/category/policies)

## Tags

- [escort](https://gradient-engineering.com/tag/escort)
- [clutch](https://gradient-engineering.com/tag/clutch)
- [xr2i](https://gradient-engineering.com/tag/xr2i)
- [racing](https://gradient-engineering.com/tag/racing)
- [cvh](https://gradient-engineering.com/tag/cvh)
- [Throttle bodies](https://gradient-engineering.com/tag/throttle-bodies)
- [bodys](https://gradient-engineering.com/tag/bodys)
- [throttle](https://gradient-engineering.com/tag/throttle)
- [inlet](https://gradient-engineering.com/tag/inlet)
- [bodies](https://gradient-engineering.com/tag/bodies)
- [intake](https://gradient-engineering.com/tag/intake)
- [manifold](https://gradient-engineering.com/tag/manifold)
- [Rocker Arms](https://gradient-engineering.com/tag/rocker-arms)
- [Roller Rockers](https://gradient-engineering.com/tag/roller-rockers)
- [Rockers](https://gradient-engineering.com/tag/rockers)
- [motorsport](https://gradient-engineering.com/tag/motorsport)
- [RS turbo](https://gradient-engineering.com/tag/rs-turbo)
- [XR2](https://gradient-engineering.com/tag/xr2)
- [XR3](https://gradient-engineering.com/tag/xr3)
- [XR3i](https://gradient-engineering.com/tag/xr3i)
- [Fiesta](https://gradient-engineering.com/tag/fiesta)
- [Inlet System](https://gradient-engineering.com/tag/inlet-system)
- [Inlet Systems](https://gradient-engineering.com/tag/inlet-systems)
- [competition](https://gradient-engineering.com/tag/competition)
- [uk motorsport](https://gradient-engineering.com/tag/uk-motorsport)
- [car racing](https://gradient-engineering.com/tag/car-racing)
- [cars](https://gradient-engineering.com/tag/cars)
- [racecar](https://gradient-engineering.com/tag/racecar)

## Product categories

- [Air Filters](https://gradient-engineering.com/product-category/airfilters)
- [Uncategorized](https://gradient-engineering.com/product-category/uncategorized)
- [K&N Bolt-on Filters](https://gradient-engineering.com/product-category/airfilters/kn-filters/kn-bolt-on-filters)
- [Roller Rockers](https://gradient-engineering.com/product-category/roller-rockers)
- [Direct to Head Throttle Bodies](https://gradient-engineering.com/product-category/direct-to-head-sets) - Direct to Head throttle bodies intake systems
- [Throttle Body Accessories](https://gradient-engineering.com/product-category/body-accessories)
- [Pipercross](https://gradient-engineering.com/product-category/airfilters/pipercross)
- [ARP Bolts](https://gradient-engineering.com/product-category/engine-accessories/arp-bolts)
- [K&N Filters](https://gradient-engineering.com/product-category/airfilters/kn-filters)
- [Hose Fittings](https://gradient-engineering.com/product-category/fuel-system/hose-fittings)
- [Fuel Injectors](https://gradient-engineering.com/product-category/fuel-system/fuel-injectors)
- [Sensors & Wiring](https://gradient-engineering.com/product-category/sensors)
- [Plenum Chambers](https://gradient-engineering.com/product-category/plenum-chambers)
- [Intake Manifolds](https://gradient-engineering.com/product-category/inlet-manifold-systems)
- [Turbo Throttle Bodies](https://gradient-engineering.com/product-category/direct-to-head-turbo-individual-throttle-bodies)
- [Engine Accessories](https://gradient-engineering.com/product-category/engine-accessories)
- [Fuel System](https://gradient-engineering.com/product-category/fuel-system)
- [Fuel Pump](https://gradient-engineering.com/product-category/fuel-system/fuel-pump)
- [Ignition](https://gradient-engineering.com/product-category/engine-accessories/ignition)
- [Trumpets / Velocity Stacks](https://gradient-engineering.com/product-category/body-accessories/trumpets-velocity-stacks)
- [ITG](https://gradient-engineering.com/product-category/airfilters/itg)
- [Fuel Pressure Regulators](https://gradient-engineering.com/product-category/fuel-system/fuel-pressure-regulators)
- [Throttle Linkage](https://gradient-engineering.com/product-category/body-accessories/throttle-linkage)
- [Vacuum Lines](https://gradient-engineering.com/product-category/body-accessories/vacuum-lines)

## Product tags

- [Ford](https://gradient-engineering.com/product-tag/ford) - For Ford fitment
- [cosworth](https://gradient-engineering.com/product-tag/cosworth)
- [rs turbo](https://gradient-engineering.com/product-tag/rs-turbo)
- [CVh](https://gradient-engineering.com/product-tag/cvh)
- [Rocker](https://gradient-engineering.com/product-tag/rocker)
- [Arms](https://gradient-engineering.com/product-tag/arms)
- [Roller](https://gradient-engineering.com/product-tag/roller)
- [pipercross](https://gradient-engineering.com/product-tag/pipercross)
- [dome filter](https://gradient-engineering.com/product-tag/dome-filter)
- [air filter](https://gradient-engineering.com/product-tag/air-filter)
- [racing](https://gradient-engineering.com/product-tag/racing)
- [competition](https://gradient-engineering.com/product-tag/competition)
- [Filter Socks](https://gradient-engineering.com/product-tag/filter-socks)
- [Filters](https://gradient-engineering.com/product-tag/filters)
- [Throttle Bodies](https://gradient-engineering.com/product-tag/throttle-bodies)
- [Throttle](https://gradient-engineering.com/product-tag/throttle)
- [Inlet](https://gradient-engineering.com/product-tag/inlet)
- [Motorsport](https://gradient-engineering.com/product-tag/motorsport)
- [ARP](https://gradient-engineering.com/product-tag/arp)
- [Rod Bolts](https://gradient-engineering.com/product-tag/rod-bolts)
- [bolting](https://gradient-engineering.com/product-tag/bolting)
- [con rod](https://gradient-engineering.com/product-tag/con-rod)
- [MX5](https://gradient-engineering.com/product-tag/mx5)
- [Mazda](https://gradient-engineering.com/product-tag/mazda)
- [Xr2i](https://gradient-engineering.com/product-tag/xr2i)
- [Xr2](https://gradient-engineering.com/product-tag/xr2)
- [Xr3i](https://gradient-engineering.com/product-tag/xr3i)
- [Xr3](https://gradient-engineering.com/product-tag/xr3)
- [1.6](https://gradient-engineering.com/product-tag/1-6)
- [Focus Inlet](https://gradient-engineering.com/product-tag/focus-inlet)
- [Focus ST](https://gradient-engineering.com/product-tag/focus-st)
- [Focus RS](https://gradient-engineering.com/product-tag/focus-rs)
- [Focus mk3](https://gradient-engineering.com/product-tag/focus-mk3)
- [Focus Mk3 ST](https://gradient-engineering.com/product-tag/focus-mk3-st)
- [Focus RS MK3](https://gradient-engineering.com/product-tag/focus-rs-mk3)
- [zetec](https://gradient-engineering.com/product-tag/zetec)
- [manifold](https://gradient-engineering.com/product-tag/manifold)
- [pinto](https://gradient-engineering.com/product-tag/pinto)
- [itbs](https://gradient-engineering.com/product-tag/itbs)
- [kit car](https://gradient-engineering.com/product-tag/kit-car)
- [Focus MK4](https://gradient-engineering.com/product-tag/focus-mk4)
- [Focus Mk4 ST](https://gradient-engineering.com/product-tag/focus-mk4-st)
- [Ecoboost 2.3](https://gradient-engineering.com/product-tag/ecoboost-2-3)