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  Latest news
10.01.2020 - Happy new year - new products on their way for 2020
15.03.2018 - More new Adaptronic Modular ECU's now available and added to the web shop.
02.01.2017 - New Adaptronic MODULAR ECUs added to shop
11.02.2016 - New standalone ECU for Clio RS 197/200 now available! See the Renault ECU section.
04.01.2016 - Happy new year from EFI!
Our COVID-19 notice: Currently, our web shop is trading as normal, though deliveries may be delayed 1-3 days.

Right now our office hours are reduced and as a result we are dispatching parcels only of a Monday, Wednesday and Friday.

A note for customers booked in for rolling road tuning: From Monday 30th March we are closed for all workshop and rolling road work until further notice. No new bookings are being taken so please help us by not enquiring at this time. As soon as we're able to re-open the workshop we'll update this note and our Facebook page. Stay safe & best wishes from all at EFI Parts
About EFI Parts

Welcome to EFI-Parts

Who are we ?

We're a North West UK based automotive aftermarket performance engine management and tuning parts retailer and workshop. Owned and run by Chris Backshell, a qualified electro-mechanical engineer, SAE certified engine calibrator, time served electronic engineer and all round engine nut we're here to supply both professionals and enthusiasts with a range of essential parts and services at competitive prices. Our workshop specialises in standalone engine management installation and calibration. We operate a 2WD 1100hp SuperFlow rolling road.

Why choose us ?
Having been involved with automotive tuning and electronics for 2 decades means that we can offer accurate advice on any of the parts or services we offer, no matter how complex the question. We're not your typical all-show-no-go tuning outfit. We work with performance vehicles, race cars, drag cars and other serious projects. We are an established company that has earnt a reputation for tuning success and supplying quality parts with an after sales service and advice that is second to none.

Mail order
We run an online parts supply website (you're looking at it!) and offer select products via eBay too. We are dealers for AEM electronics and distributors for Zeitronix and Adaptronic engine management. Everything you see in our online shop is stocked unless otherwise noted and upon receiving an order we will dispatch usually the same day (Monday to Thursday, orders placed before 2.30pm).

For items shown "in stock" we offer a Next-day UK delivery service too via Royal Mail Special Delivery. International orders can be expedited with TNT Express. All available shipping options are offered during the checkout process.

Unsure about ordering from our web shop ?
If you are unsure about buying from or using us then please feel free to get in touch with any questions or concerns. Hopefully we can put your mind at rest. We're a modern company that takes email very seriously, using it as our primary mode of communication with customers. All emails are answered within 24 hours excluding weekends and bank holidays. Because a lot of time is spent in the workshop and keeping orders up to date, telephone ordering and contact is difficult sometimes. Email works wonders for us and you will receive a swift response.

Best regards - EFI-Parts

Our SuperFlow chassis dyno is capable of holding 750hp in steady-state thanks to it's large Frenelsa retarder. It can measure up to 1100hp in acceleration (power run) modes. We can use it to simulate road loads, hold an engine at any given RPM, speed or just about any other control factor. We can monitor manifold pressure, air:fuel ratio, knock, charge temperature, exhaust gas temperature amongst other parameters. It's larger-than-most rollers promote traction with vehicles that are otherwise hard to dyno.

We specialise in engine calibration but individual power runs and club rolling road days are welcome too.
Afternoon and weekend sessions available, including Sundays.

One of the things that sets us apart from other rolling road workshops is that we usually have the ability to resolve those little unforeseen mechanical or fabrication niggles that invariably crop up in initial dyno sessions after a new build. Need to modify a bracket ? Alter some pipework ? No problem, our friendly and laid back approach means we are happy to help if we can. There isn't much we can't fix on the spot.

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  Featured items
Bosch wideband oxygen sensor (LSU 4.2 7057/7351) Bosch wideband oxygen sensor (LSU 4.2 7057/7351)
Phormula KS-3 knock (detonation) detection kit Phormula KS-3 knock (detonation) detection kit
150mm diameter 36-1 Trigger wheel (5.9 150mm diameter 36-1 Trigger wheel (5.9")
Zeitronix Zt-3 controller and sensor Zeitronix Zt-3 controller and sensor
Zeitronix Zt-2 & LCD display package Zeitronix Zt-2 & LCD display package
Zeitronix Zt-3 & ZR-3 gauge Zeitronix Zt-3 & ZR-3 gauge
Boost control solenoid valve (Genuine MAC) Boost control solenoid valve (Genuine MAC)
Universal air temperature sensor M12x1.5mm Universal air temperature sensor M12x1.5mm

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