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Tilton 5.5" Cerametallic Twin Plate 5 Paddle Disc Pack – 1" x 10

These disc packs from Tilton are designed for use with their range of 5.5″ twin plate clutch cover assemblies. The cerametallic material is designed for use in applications where a limited amount of slip is required. A thicker friction material is used than sintered plates which provides better heat management. Mainly used in rallying,


Revo Transmission Mount

As part of their upgrade package for Volkswagen Group 2.0T engines Revo offer these upgraded transmission mounts.An ideal complement to upgraded engine mounts. As with the engine mounts, the factory fitted items were designed with reducing Noise Vibration and Harshness as a primary consideration.While this is fine for a stock car being driven sedately as


Quaife VAG 02A / 02J 6 Speed Synchro Close Ratio Gear Kit

This 6 speed close ratio gear kit from Quaife features high strength semi helical cut gears with synchromesh engagement and is designed to fit the 02A / 02J gearboxes found in various VW, Audi, Seat and Skoda models. The kit is supplied with a new Quaife extended casing and utilises the original crown wheel and pinion. Ratios           1st 2nd 3rd 4th


Kaaz Super Q Limited Slip Differential – 1.5 Way – Basic Centre

Kaaz Super Q limited slip differentials (LSD’s) are precision engineered to endure the tough conditions encountered in motorsport events. Offering reliability while being highly competitive means that Kaaz differentials are used in high level competition cars the world over. This 1.5 way differential is suitable for all types of motorsport. With


Kaaz Limited Slip Differential – 1.5 Way – Basic Centre

Kaaz plate type limited slip differentials (LSD’s) are precision engineered to endure the tough conditions encountered in motorsport events. Offering reliability while being highly competitive means that Kaaz differentials are used in high level competition cars the world over. This 1.5 way differential is suitable for all types of motorsport. With


Helix Sporting Uprated Clutch Kit – Organic – 230mm Torque Cap 601Nm (442 lb ft)

Helix Sporting Uprated Clutch Kits have been developed utilising their many years of success in the manufacture of Group N competition clutch components. All clutches are hand made and individually tested to meet the highest standards of durability, reliability and specialist needs of todayÔÇÖs motoring requirements. Helix only use top quality


Helix 7.8 Inch Organic Sprung Drive Plate – 52.4mm x 32

These 7.8 Inch organic drive plates from Helix feature a sprung centre design to provide protection from drive line shock, thus prolonging the life of the clutch and minimising the risk of failure. The springs are arranged radially around the centre of the hub which works in conjunction with the facing segments to provide a progressive engagement and and

Helix 7.25" Cerametallic 3 Paddle Rigid Drive Plate – 24.3mm x 22

These Cerametallic 3 Paddle Drive Plates from Helix have a rigid hub design which has no form of damper or segment cushioning. A rigid hub is designed for more demanding working conditions which require high strength and durability. The cerametallic friction material is split into sections which are riveted on to the drive plate and are thicker than


Forge Short Shifter – Mini Cooper

The Forge Short Shifter is custom made for the Mini Cooper S F56 2.0 Turbo.  This allows you to adjust the movement required in order to select each gear. This works by moving the pivot point higher up the shifter rod meaning that it has to move less distance to select the gear; up to 40% less distance in some cases. The Shifter is machined in the UK from


Forge Adjustable Quick Shift Kit – VAG 5 Speed Models

The Forge Adjustable Quick Shift Kit enables certain VAG applications to optimise gear shifting times. Developed for the popular VAG 5 speed gearbox (please see list of fitments below) and certain smaller capacity 6 speed gearboxes, the quick shift kit is manufactured in high quality materials for ease of fitment and durability. The Quick Shift Kit

Exedy Hyper Single Clutch Kit, 200mm Sprung Cerametallic Plate – 200mm Sprung Cerametallic Plate, Up to 530lbs Torque – Bearing Not Included

The Hyper Single clutch is engineered to optimize the performance of cars that are moderately modified, but do not require the clutch capacity of a multi-plate clutch. Similar to our multi-plate clutches, it has a purple anodized, forged aluminium cover. The aluminium cover is stiffer than a stamped cover and therefore allows a higher level ratio to


Exedy Carbon-R Twin Clutch Kit, 200mm Unsprung Carbon Plate – 200mm Unsprung Carbon Plate, Up to 500lbs Torque – Bearing Not Included

The Carbon R Twin clutch kit is a Clutch feeling like you have never experienced before. In 1995 EXEDY supplied carbon clutch products to Ferrari for use in the pinnacle of motorsport, Formula One. This same technology is now applied to carbon clutches developed by EXEDY for use in various forms of motorsport, providing an explosive shift feeling and


Demon Tweeks Fidanza Evo 8 Short Shifter

This Fidanza Short Shifter is the only one you should be buying, this shirt shifter stands out from the crowd. It is made from the highest quality aluminium and hardened steel. The shorter the throw the faster you'll go and this will get you to the finish line


Alcon Seal Kit For Hydraulic Release Bearings

These Seal Kits from Alcon are designed to fit Alcons’ range of hydraulic release bearings. The kit covers each bearing diameter and offer an alternative to replacing the whole release

Alcon Clutch Cover Assembly – 230mm 24.2mm x24

The Group N and Heavy Duty clutch range from Alcon have been designed for specific vehicle applications for use where modified clutch units are not required or allowed due to regulations. These specific clutches are designed to conform to Group N specification which allows the use of uprated components but all within the confines of the original design.


Alcon 5.5" Sintered Race Clutch Cover Assembly – 353 lb/ft – 2 Plates (Not Included)

The sintered range of clutches from Alcon have been designed with racing applications in mind, as the demands of that environment require a clutch that provides improved startline control. This is provided courtesy of a high stiffness cover design which allows for greater feel. The clutch cover assembly has been engineered into a compact design


A P Racing Release Bearing, HD3821

A P clutch release bearing. AP Racing Release Bearing Part No. HD3821 MG MAESTRO 2.0 Efi & Turbo 84 on release bearing HD3821 for Competition Standard OE CP5354-2

A P Racing 5.5" Sintered Racing Clutch Cover Assembly – 744 lb/ft – 4 Plates (Not Included)

The range of Sintered Race Clutches from AP Racing has been designed from many years of experience at the highest levels of motorsport. Being a sintered design, it is very lightweight and has a low inertia rate thanks to the lightweight drive plates. Constructed from high quality materials and formed into a compact design, these clutches are able to


Exedy organic Clutch Kit for Toyota Starlet (EP82/EP91)

EXEDY Organic Clutch Kit for Toyota Starlet & Glanza EP82/EP91 (Turbo Models) Stage one Organic clutch, Uprated by approximately 20% over the standard Torque figure. Ideal replacement for standard clutch. Techinal Specs Bearing included in kit Single Series Disc Facing: Organic Disc Outer Diameter: 215mm Push/Pull: Push Sprung Centre: Yes Clamp Load


The Knowledge



Drivetrain Components

The drivetrain refers to the components that convert engine brake horse power to wheel horse power. Although the technical definition varies between vehicle types, generally the drivetrain includes; transmission, drive and propeller shafts, the powered axle, differential plus wheels. Vehicle types built for specific terrain travel will have a different drivetrain. To illustrate this, the average car would consume approximately 15% of the engine power – think of your average 4x4 built for off-road includes additional transfer box, transmission brake, locking differential and final drive/portal gear - will often consume closer to 25%. Manual car drivetrain includes the flywheel and clutch. Automatic car drivetrain includes the torque convertor. Front wheel drive car drivetrain include the constant velocity joint (CV joint).

Drivetrain Upgrades

Given the size, scope and variety of drivetrains and the resultant array of components – drivetrain upgrade options are plentiful and something can be found suitable for all budgets.

Transmission Upgrades

The transmission upgrade will likely be a new clutch flywheel, which can come with/without the pressure plate. For the adventurous, you can purchase the clutch components separately; plate discs, clutch cover assembly and clutch plate. For the less-adventurous, you can purchase a clutch kit, compromising of those elements. Alternatively, upgrading the stock gearbox mounts is a more affordable modification.

Drive/Propeller Shaft Upgrades

Uprated raw material such as heat treated alloy bring benefits more accustomed to the particular rigours of the component. Shafts made of alloy with lower stiffness aid the comfort of the ride and will be able to deliver and handle additional torque.

Differential Upgrades

There are a variety of upgrade options to install an uprated differential gear system. Limited slip differentials are designed to direct power away from low resistance toward high resistant paths, reducing lost kinetic energy through traction loss or wheel spin. One-way differentials for front wheel drive vehicles can help reduce torque steer under load. Two-way differentials are for rear and all-wheel drive vehicles. 1.5-way diffs create a differential effect under load or deceleration and are for specialist rear wheel drive vehicles such as drift cars. Other differential options include; viscous diffs, torque sensitive diffs, cone, clutch or plate type diffs.

Quick Shift Kit Upgrade

Aftermarket gear sticks with shorter throws allow for quicker more efficient gear changing when driving aggressively, meaning the clutch is depressed for a shorter time, maximising use of engine power. Some replacements throws will have a satisfying click, or notch to let the operator know the gear was successfully selected. For a modest financial outlay, a manual gearbox with a lazy sensation can be tightened up with this popular modification.