Now For Sale! British Racing Green GTT 230+ R53

  Now For Sale – New Higher Spec! A GTT Restoration/Tuning Project Stunning British Racing Green Exterior & Cordoba Interior –  probably the best Combination! Classic Supercharged 1st Generation Cooper S (53 Plate) Reg GF53 GVA This is the first of … Read More

The Big Starter Motor Mix Up Disaster ! (Part 2)

Part 2 See part 1 here Watch all 5 videos to fully understand. See the related images in the gallery at top of the page. Image: 1) Shows how very similar 2 starter motors are. (They were also supplied for … Read More

The Big Starter Motor Mix Up Disaster ! (Part 1)

BEWARE! VERY IMPORTANT – Useful for Gen 1 Mini owners but the principle is the same across all models End of starter motor broken off/cracked? Aluminium swarf in the clutch bell housing? Damaged ring gear? Starter Motor Destroyed Your Flywheel? … Read More

Klarna Payments

WE NOW OFFER KLARNA AS METHOD OF PAYMENT! What it offers: Similar to PayPal payment plans….. Buy Now, Pay Later. Interest Free… Pay in 3, Payment Plans, Credit.. Coming Soon…. Our website is undergoing updates as we speak and … Read More


Our Black Friday Items are running low in stock.. Order sooner than later if you want delivery before Christmas as new batches may take longer to produce… Stock items are sent usually same or next day via express delivery 🙂 … Read More

All New “GTT Fork Drive Pro” — Supercharger to Waterpump Drive

New 2020 Optional Extra…. The “GTT Fork Drive Pro” This has been designed with over 50% less rotational play/backlash when mated to the water pumps “fork drive”… as many will know the OEM one gets very worn from this over time and becomes … Read More

New Product! The All New GTT “WORKS” Under Tray (R53/R52)

New ‘WORKS’  (“installed on car” picture is digital preview) Fabricated aluminium heat shield to replace the original part that bolts to the bottom of the boot mounted battery box. Most standard shields by now are in a deteriorated and buckled … Read More

The All New GTT Adjustable Vernier Cam Sprocket V2 & Timing Chain / Tensioner Kit (Gen 1 Petrol Models)

Brand New 2021 Spec!.. Having spent considerable time checking & testing cams one thing we have found is that the car manufacturers timing can be out by up to 3 degrees (crank angle) also as the cam chain wears it … Read More


An Origin Story……   Back in late 2003 We got our hands on some of the first John Cooper Works Tuned R53s. Having already brought out GTT Tuning kits for the Cooper s models , We went to find ways to further … Read More

GTT Injector FAQs (Gen 1 Supercharged) questions answered here..

Our most asked injector (Gen 1 Supercharged) questions answered here…. What size injectors should I buy? In almost every case for a supercharged mini’s…. 440cc. Whether it’s a modified Cooper S, JCW, or GP1 the answers the same.. Please check … Read More

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