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ASNU Special Projects delivers bespoke fuel system engineering solutions for high-performance, motorsport and specialist automotive applications. From concept development and precision component design to testing and validation, ASNU works closely with clients to develop advanced fuel delivery solutions tailored to demanding performance and integration requirements. ASNU SPECIAL PROJECTS PRECISION ENGINEERING FOR EXTREME PERFORMANCE SCROLL ENGINEERING AT THE EDGE OF WHAT IS POSSIBL E. Button Concept to Validation. Complete fuel system development support from initial CAD concepts through prototyping, testing and final integration. Button Low-volume and bespoke components engineered for performance, reliability and repeatability. Precision Manufacturing. Button Many ASNU Special Projects applications are developed under strict confidentiality agreements for prototype, motorsport and high-performance platforms. Confidential Developmen t. Button High Performance Integration. Custom injector, rail and manifold solutions designed around demanding engine packages. READY TO START YOUR PROJECT? Get in touch with our specialists to see how we can help you! CONTACT US

ASNU Fuel Injection designs and manufactures advanced injector testing systems, performance fuel injectors and bespoke fuel system solutions for automotive, motorsport and specialist engineering applications worldwide. The World's Leading Injector Diagnostics System. LEARN MORE Button Button Systems Button Performance Products Button Special Projects

The home of ASNU's performance products listing everything that we have on offer from Injectors, Fuel Pumps and Fuel Rails to Manifold Upgrades, Custom Products and Parts & Accessories along with the necessary information to go with them. Engineered for precision. Built for power. PERFORMANCE PRODUCTS EXPLORE PRODUCTS CONTACT US PERFORMANCE INJECTORS FUEL RAILS MANIFOLD UPGRADES FUEL PUMPS PARTS & ACCESSORIES FUEL SYSTEM FITTINGS CUSTOM PRODUCTS TRUSTED WORLDWIDE From amateur racers to professional motorsports teams - consistent & reliable performance QUALITY ASSURED RACE PROVEN FLOW TESTED EXPERT SUPPORT NOT SURE WHAT YOU NEED? Our specialists can help you find the right parts for your build! CONTACT US

This page displays information on ASNU's SEMA award winning ITB system for the R35 GTR. Custom Products ASNU's SEMA award winning ITB system for the R35 GTR Aids throttle response as the plenum no longer has to be pressurised after opening the throttle Increased runner and plenum volumes allowing for bigger HP and torque Built to allow the more extreme cam profiles to be used in a road situation with minimised idle problems 60% increase in throttle area over largest twin throttle currently available (72mm) 74mm Plenum inlet flange that can be increased to 78mm ( 23% increase in flow over 72mm twin throttles ) Light weight alloy plenum housing to withstand extreme boost at a high fatigue life It ensures a more equal distribution of workload across all cylinders by the engine allowing more HP to be generated safely Plenum optimised for volume and flow using F1 technology Complete with 6 additional ASNU SC injectors in a location optimised for that specific design High flow upper fuel rail utilising -8AN fittings with a 17mm internal bore Upper fuel rail designed to operate with integral fuel pressure & temp sensor Designed to operate with the ASNU R35GTR fuel rails with pressure sensor (requires sensor to be relocated to the upper rail location) Designed and machined with pre centre drilled bosses for Nitrous or ADI/water methanol injection CNC machined from billet 6082 & 7072 Alloy. -8AN vac balance pipe between banks to give a good idle and avoid traditional ITB setup issues. -8AN Boost balance pipe. Vacuum and boost ports, with brake booster vacuum take off Designed to operate with the GTR’s original throttle motor internals (not supplied) Utilises stock MAP sensor (not supplied) Constructed to road car levels of durability, allowing extreme HP daily drivers Integral air trumpets built into the plenum back plate

Latest News 2 Apr 2023 ASNU Exhibiting at Japfest Silverstone on 23rd April 2023 We are pleased to be exhibiting at Japfest 2023 at Silverstone circuit..... Read More 4 Jan 2023 ASNU Exhibiting at Autosport International Expo on 12-13th January 2023 ASNU are pleased to announce that we will be exhibiting at The Autosport International Expo Engineering..... Read More 1 Dec 2022 ASNU New Injector Servicing Products We are pleased to announce we have some new Injector Service Parts added..... Read More 25 Nov 2022 ASNU Exhibiting at PRI 8th - 10th December ASNU are pleased to announce that we will be exhibit..... Read More 27 Oct 2022 ASNU Exhibiting at The SEMA Show 1st - 4th November ASNU are pleased to announce that we will be exhibiting at The SEMA Show from November 1st-4th at the Las Vegas..... Read More 10 Oct 2022 ASNU 219 and 219T Filter Basket & Tool for Siemens Piezo Injectors ASNU 219 and 219T Filter Basket & Tool for Siemens Piezo Injectors We are pleased to announce we now have replacement..... Read More 8 Sept 2022 ASNU Exhibiting at Automechanika Frankfurt 13-17th September ASNU are pleased to announce that we will be exhibiting at Automechanika, Frankfurt from the 13-17th of September. Make sure to come over and say hello to our many ASNU..... Read More 14 Jun 2022 ASNU New Product Release – ASNU 220 Pintle Cap We are pleased to release our new ASNU 220 pintle cap. These pintle caps are for certain model Honda vehicles that use the Keihin fuel injector shown below..... Read More 11 May 2022 ASNU Owners Facebook Group To our ASNU Owners, We have opened a new Facebook group..... Read More 14 Feb 2022 ASNU Exhibiting at Autotechnica 27-30th March ASNU are pleased to announce they will be exhibiting at the Autotechnica exhibition in Belgium from 27th – 30th March. We will have representatives..... Read More 21 Jan 2022 ASNU New Website Coming Soon! We are in the process of building a new website which we hope to have ready soon! Make sure you’re listed..... Read More 18 Nov 2021 ASNU New Product We are pleased to now have available our new coupling – ASNU 134 for testing the screw top Bosch GDI injectors..... Read More 19 Nov 2020 ASNU 1250p Injector We are pleased to announce the release of our new 1250cc Performance Injector Read More 5 Oct 2020 ASNU New Products ASNU 293 Pintle Caps & ASNU 294 Pintle Protection Caps are now available Read More 23 Sept 2020 ASNU 66W Wire GDI Filter Basket We are recommending that anyone testing and servicing..... Read More 14 Sept 2020 ASNU New Product Release We are pleased to announce we now have the Mercury Optimax..... Read More 26 Aug 2020 ASNU New GDI Parts available We are pleased to announce we now have stock of some..... Read More 10 Aug 2020 ASNU New Product Release We are pleased to announce the addition of the 'ASNU 133' coupling to..... Read More 10 Jun 2020 ASNU New Product Release The new ASNU 156A Adjustable Injector Test Rail has been designed to allow the..... Read More

Media ASNU's 30 Year History Video ASNU Germany exhibiting at Retro Classic Fair in Stuttgart Rob Wilson takes 3rd Place in Rd1 of BTRDA and Welsh Rally Championship ASNU stand at PMW Expo 2019 ASNU stand at SEMA 2019 ASNU at Trax Silverstone 6th October 2019

This page provides documentation on each of ASNU's products to help with operating and maintaining. Catalogues & Brochures ASNU Testing & Servicing Systems Complete range of ASNU Testing & Servicing System brochures and documentation Parts & Accessories Catalogue DOWNLOAD ASNU Classic GDI DOWNLOAD ASNU Adjustable Injector Test Rail DOWNLOAD ASNU Remote Control Software DOWNLOAD ASNU Interactive Report Sheet DOWNLOAD ASNU Junior Machine DOWNLOAD ASNU GDI Adapter Box DOWNLOAD ASNU Piezo Adapter Box DOWNLOAD ASNU 2 Stroke GDI Adapter Box DOWNLOAD ASNU 266EXT Injector Extractor Tool DOWNLOAD ASNU 84 Tool Upgrade - Pintle Cap Tool DOWNLOAD ASNU - Death of the Diesel engine DOWNLOAD ASNU in Print - Magazine Articles DOWNLOAD ASNU - Importance of Low Pressure Testing DOWNLOAD ASNU Testing & Servicing System Instructions Cleaning the E-Tec Pintle Assembly DOWNLOAD ASNU Megga Meter - Electronically Testing Piezo Injectors DOWNLOAD ASNU 2 Stroke GDI Adapter Box Instructions DOWNLOAD ASNU Piezo Adapter Box Set-Up DOWNLOAD ASNU Performance Products ASNU New 040P Performance Injector DOWNLOAD ASNU 1250P Performance Injector DOWNLOAD ASNU Performance Products Catalogue 2019/2020 DOWNLOAD ASNU Baby Battleship Fuel Filter System DOWNLOAD ASNU R35 GTR 12 Injector System DOWNLOAD ASNU Performance Product Instructions ASNU Baby Battleship Fuel Filter System DOWNLOAD ASNU R35 GTR 12 Injector System Fitting Instructions DOWNLOAD ASNU R35 GTR Fuel Rail Fitting Instructions DOWNLOAD ASNU Tips ASNU Tips - Preserving the HDEV1 GDI Injectors DOWNLOAD ASNU Tips - Delphi MPI Injector Filter Removal DOWNLOAD ASNU Tips - Honda Short Injector Servicing DOWNLOAD ASNU Tips - Sagem Disc Injector DOWNLOAD ASNU Tips - Nissan Qashqai GDI Injector Seal Fitting DOWNLOAD ASNU Tips - Piezo Filter Removal & Re-Fit DOWNLOAD

This page displays the most up to date ASNU Parts & Accessories Catalogue wich is available for download. Parts & Accessories Catalogue

This page displays the locations and contact details of our Service Centres across the globe. ASNU Service Centres If you are an ASNU owner but not listed below and would like to be then please get in touch or fill out our Register your ASNU machine form! Junior/Motorcycle Capability Standard Manifold Injector Testing GDI Injector Capability GDI & 2 Stroke GDI Capability GDI & Piezo Injector Capability GDI, 2 Stroke GDI & Piezo Capability

This page displays the locations of our Machine & Performance Injector Distributors across the globe. Distributors Machine Distributors Machine & Performance Injector Distributors

Explore ASNU’s video tutorial library covering injector testing, diagnostics, ultrasonic cleaning and fuel system servicing procedures. Designed for workshops, distributors and fuel system specialists, these tutorials provide practical guidance, technical insight and step-by-step support across ASNU systems and performance products. ASNU Tutorials ASNU Gasoline Injector Tutorial Part 1 Gasoline Injector Tutorial Part 3 - Deadtime Gasoline Injector Tutorial Part 2 - Electrical Pulse Width & Duty Cycle Gasoline Injector Tutorial Part 4 - Short Pulse Adder / Multiplier Gasoline Injector Tutorial Part 5 - ASNU Variable Voltage & Remote Control Software Remote Control Program - Installation and Setup ASNU Remote Control Program - Usage

The ASNU Piezo Upgrade Box expands the testing and diagnostic capabilities of compatible ASNU systems for modern piezoelectric fuel injector applications. Engineered for accurate injector control, advanced diagnostics and reliable performance analysis, the upgrade box enables workshops and fuel system specialists to test a wider range of direct injection technologies with confidence and precision. ASNU PIEZO BOX Piezo injection is the current system of choice of major executive vehicle manufacturers. Piezo injectors can respond so quickly that they can allow the vehicle to run at incredible air/fuel ratios of up to 60:1 in some engines. Compared to standard vehicles running at 14:1 air/fuel ratios, this means the minimum amount of fuel is used and the exhaust emissions are virtually non-existent, while still maintaining excellent drivability and performance. As you can imagine, the performance of these injections is critical, maintenance should not be an option, it should be mandatory. How often do you check your Piezo injectors? In conjunction with world-leading vehicle manufacturers, ASNU has created this purpose-built adapter box. Button Brochure Contact a distributor Button Parts & Accessories