
1) GTT 220 Package STAGE 1 Tuning Kit ( Gen 1 R52/R53)
You can now buy all mail order items of the GTT 220 Performance package together! Discounted price save £52! (ex vat) This is the perfect starting Tuning Kit, over 5000 sold/installed since 2003! Well proven, reliable & Best on the … Read More

2) GTT “STAGE 2” STEP-UP TUNING KIT (DEAL PRICE!) SAVE £30!
SAVE! DEAL PRICE….Limited time only at this price! After (or before) fitting the GTT 220 kit this is the perfect next step. This is a perfect step or stand alone power/performance modification for the R53. Works very well with GTT sports … Read More

3) SAVE! GTT Aeroxbox Strutbrace & Cold Ram Induction Kit Deal!
Save £30! with this combination deal. Mix And Match Colour Options! Red, Black & White Induction Kit cutaway to suit GTT Strutbrace. See product specs below: Aerobox Strubrace: https://www.gtt.uk.com/product/mini-gen-1-gtt-aerobox-top-strutbrace/ Cold Ram Induction kit: https://www.gtt.uk.com/product/mini-gen-1-gtt-cold-ram-induction-kit/ (for shipping enquires please email) … Read More

4) Gen 1 R53/R52 Mini Cooper S “4 Piece” Pulley Upgrade kit! DEAL PRICE! Save £27!
GTT R53/R52 Mini Cooper S “4 Piece” Pulley Upgrade kit! SAVE £27+VAT! Lightweight crank pulleys – Lightens drive train , Dampened, Standard and overdrive sizes for increased power(0,+1,2,3&4% options) Hard Anodized! https://www.gtt.uk.com/product/mini-gen-1-gtt-lightweight-crank-pulley-v2/ Interference Fit Supercharger Pulleys (-15&-17% options) Gains 25-30bhp over … Read More

Gen 1 Mini Stage 3 Clutch Kit (Cover, Centre Plate & bearing)
For use with GTT or other Solid Alloy Flywheel Only. This kit has been specially put together and tested by us ! Properly suited for aggressive street use and moderate track use and good engine idle quality , but with … Read More

GTT Mini Gen 1 SUPERCHARGER UNIT – UPRATED/UPGRADED – BLACK TEFLON ROTORS
New 2021 Product. GTT Supercharger units – Genuine Mini/Eaton Units Stripped and Built by GTT engineers to a much superior spec over original standard units. This Listing is for Black Teflon coated – see other listing for Grey Rotor option … Read More

GTT Mini Gen 1 SUPERCHARGER UNIT – UPRATED/UPGRADED – GREY ROTORS
New 2021 Product. GTT Supercharger units – Genuine Mini/Eaton Units Stripped and Built by GTT engineers to a much superior spec over original standard units. This Listing is for Grey rotors – see other listing for Black teflon rotor option version. … Read More

Mini Gen 1 GTT ‘Ring Gear’ for R53 Aluminium Lightweight Flywheel
Replacement ring for GTT Flywheel only….As shown here https://www.gtt.uk.com/product/mini-gen-1-gtt-r53-aluminium-lightweight-flywheel/ Very slowly Precision cut to perfectly match the oem tooth form unlike other brands (that are noisy when cranking+wear quickly) considerably wider than other brands for a longer life. Starter Motor … Read More

Mini Gen 1 GTT 16 Tubes Large Top Mount Intercooler & Snoot Boots
As with all the GTT product line up we’ve really gone to town creating numerous improvements throughout. Core Size This is the largest Cooper S top mount intercooler yet; 16 tubes for the air to flow through (OE … Read More

Mini Gen 1 GTT 40,000 Volt Ignition Coil Pack
This high output coil pack delivers a staggering 40,000 volts, ensuring strong fat sparks for improved performance and economy. Super smooth power and no misfires. It is a direct replacement for the stock coil, uses the original fixings, and is … Read More

Mini Gen 1 GTT Adjustable Fuel Pressure Regulator NEW V2
NEW, EVEN HIGHER SPEC VERSION (V2) GTT V2 AFPR comes with 3 o-rings…. and high flow internal fuel filter. The OEM filter on the V1 was found to be restrictive on highly tuned applications. New Improved body Higher spec internals Now … Read More

Mini Gen 1 GTT Adjustable Vernier Cam Sprocket V2 & Timing Chain / Tensioner Kit
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 stretches and retards the … Read More

MINI GEN 1 GTT BLUE STRUTBRACE, INDUCTION KIT & UNDERTRAY PACKAGE
Very Limited Stock!! Only 5 Kits! Not only will you be getting a GTT “throw Back” Classic Limited edition colour kit similar to featured on the original 2004-2014 GTT Minis. Kit includes: 1x Battery Shield/ Under Tray 1x Cold … Read More

Mini Gen 1 GTT Cold Ram Induction Kit
This product is included in GTT 220 conversions and above. * True 360 degree rolled edge (CNC turned from solid) Ram-Pipe. This is expensive to produce and quite unique as other companies (if they even use a Ram Pipe at … Read More

Mini Gen 1 GTT Double Iridium Sparkplugs
These are fitted to all GTT conversions. Although expensive for us to purchase they do provide the last word in sparkplug performance, and are vastly superior to the std. ‘4 earth electrode’ items, improving both performance and economy. The Iridium … Read More

Mini Gen 1 GTT Drive Belt
All GTT pulley conversions include a high quality replacement drive belt. Its construction is more supple than the original, important due to the tight radius loops encountered. As a bonus we find this belt is less prone to belt squeak … Read More

Mini Gen 1 GTT ECU Re-Map
Note – This item is set to out of stock as it requires us to book your car in to have the work done in our work shop, please contact us to make a booking.

Mini Gen 1 GTT Fuel Injectors.
DID YOU KNOW! Using injectors too big can cause poor running problems at idle and light throttle. 440cc is the optimum size injector for any supercharged Cooper S and will achieve 260bhp running only 80% of its maximum output/duty cycle. … Read More

Mini Gen 1 GTT Intercooler Snoot Boots
This all new GTT product which replaces the stock black rubber bellows that join each end of the MCS intercooler to the ‘snoots’. They are unique in that they are moulded as an ellipse (oval) rather than a circle which … Read More

Mini Gen 1 GTT Large Throttle Bodies
The Standard 57mm throttle body when modifying to higher levels of power becomes a restriction that needs to be removed. Consider also that at wide open throttle the excessively wide butterfly spindle imposes a further restriction (a reduction of 570 … Read More