Clutches & Flywheels

Clutches & Flywheels

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SPEC Stage 3 Clutch for SPEC Flywheel Audi TT 1.8L Quattro 00-06

What good is more horsepower if it isn t transferred to the ground? The clutch is the main link between the power your engine produces and the transmission, but all too often it is also the weak link. Many stock clutches simply will not last under harsh driving conditions or continual hard launches. When a car is making more horsepower than stock the

£507.76

RalcoRZ Stage 1 Full Organic Clutch Kit Audi TT 1.8L Turbo Quattro 2000

Ralco RZ Stage 1 clutch kit is an upgrade heavy-duty clutch set up for those who seeks streetable high peformance clutch. It is a direct factory replacement parts thus no modifications are needed. The clutch kit includes only the highest grade components and it s ready for hot action on street and track. The premium organic friction material for high heat

£300.81

RalcoRZ Speed Flywheels Audi TT 1.8L Quattro 00-06

Introducing the all new Ralco RZ Aluminum Speed Flywheels made with the highest quality 6061 T6 aluminum. Ralco RZ created these polished finish flywheels to be on average 50% lighter than the factory OEM flywheels. A major advantage this item is that it s compatible with either stock or aftermarket clutches. There are several major benefits of purchasing

£301.23

XClutch Clutch Kit with Chromoly Flywheel Stage 2 Sprung Ceramic Clutch Disc BMW

XClutch performance upgrades have been engineered to provide the ultimate in clutch performance. Utilising the latest pressure plate design and friction material composition, XClutch upgrades offer the ideal balance between driveability and performance for different vehicle applications. The pivot point and diaphragm design are carefully analysed to ensure

£1148.90

XClutch Clutch Kit with Chromoly Flywheel Stage 1 Single Sprung Organic Clutch Disc BMW

XClutch performance upgrades have been engineered to provide the ultimate in clutch performance. Utilising the latest pressure plate design and friction material composition, XClutch upgrades offer the ideal balance between driveability and performance for different vehicle applications. The pivot point and diaphragm design are carefully analysed to ensure

£893.98

XClutch Clutch Kit with Chromoly Flywheel 9-Inch and Twin Solid Organic Clutch Discs BMW

XClutch performance upgrades have been engineered to provide the ultimate in clutch performance. Utilising the latest pressure plate design and friction material composition, XClutch upgrades offer the ideal balance between driveability and performance for different vehicle applications. The pivot point and diaphragm design are carefully analysed to ensure

£1320.27

XClutch Clutch Kit with Chromoly Flywheel 9-Inch and Twin Solid Ceramic Clutch Discs BMW

XClutch performance upgrades have been engineered to provide the ultimate in clutch performance. Utilising the latest pressure plate design and friction material composition, XClutch upgrades offer the ideal balance between driveability and performance for different vehicle applications. The pivot point and diaphragm design are carefully analysed to ensure

£1404.76

XClutch Clutch Kit with Chromoly Flywheel 9-Inch and Twin Carbon Blade Clutch Discs BMW

XClutch performance upgrades have been engineered to provide the ultimate in clutch performance. Utilising the latest pressure plate design and friction material composition, XClutch upgrades offer the ideal balance between driveability and performance for different vehicle applications. The pivot point and diaphragm design are carefully analysed to ensure

£2027.46

XClutch Clutch Kit with Chromoly Flywheel 8 and Twin Sprung Ceramic Clutch Discs BMW

XClutch performance upgrades have been engineered to provide the ultimate in clutch performance. Utilising the latest pressure plate design and friction material composition, XClutch upgrades offer the ideal balance between driveability and performance for different vehicle applications. The pivot point and diaphragm design are carefully analysed to ensure

£1343.05

XClutch Clutch Kit with Chromoly Flywheel 8 and Twin Solid Ceramic Discs BMW

XClutch performance upgrades have been engineered to provide the ultimate in clutch performance. Utilising the latest pressure plate design and friction material composition, XClutch upgrades offer the ideal balance between driveability and performance for different vehicle applications. The pivot point and diaphragm design are carefully analysed to ensure

£1305.17

XClutch Clutch Kit with Chromoly Flywheel 7.25 and Twin Solid Ceramic Discs BMW

XClutch performance upgrades have been engineered to provide the ultimate in clutch performance. Utilising the latest pressure plate design and friction material composition, XClutch upgrades offer the ideal balance between driveability and performance for different vehicle applications. The pivot point and diaphragm design are carefully analysed to ensure

£1359.94

RPS 22lbs Billet Strapless Twin Disk Carbon Clutch with Steel Fly BMW E36 M3 94-99

RPS 22lbs Billet Strapless Twin Disk Carbon Clutch with Steel Flywheel BMW E36 M3 94-99 RPSs Billet Twin Carbon is the ultimate twin disc carbon clutch. This clutch uses a unique “Strapless” design where RPS machines a new billet aluminum cover and then replace the standard cast iron clutch plate inside the cover with an aluminum piece using our

£1717.32

RPS 22lbs Billet Strapless Twin Disk Carbon Clutch with Aluminum Fly BMW E36 M3 94-99

RPS 22lbs Billet Strapless Twin Disk Carbon Clutch with Aluminum Flywheel BMW E36 M3 94-99 RPSs Billet Twin Carbon is the ultimate twin disc carbon clutch. This clutch uses a unique “Strapless” design where RPS machines a new billet aluminum cover and then replace the standard cast iron clutch plate inside the cover with an aluminum piece using

£1717.32

RPS 21lbs Billet Strapless Single Disk Carbon Clutch with Aluminum Fly BMW E36 M3 94-99

RPS 21lbs Billet Strapless Single Disk Carbon Clutch with Aluminum Flywheel BMW E36 M3 94-99 RPSs Billet Single is the ultimate single disc carbon clutch. This clutch uses a unique “Strapless” design where RPS machine a new billet aluminum cover and then replace the standard cast iron clutch plate with an aluminum piece using their patented

£1091.42

Toda Ultra Light Weight Chrome-molly Flywheel Nissan 240SX S15

With developing flywheels for TODA Race programs, we have come to understand the most desirable characteristics required for the ultimate flywheel. Along with our racing experience we now use CAD solid modeling workstations, to further reduce stress and to improve weight distribution and inertia. TODA lightweight flywheels increase throttle response and

£563.31

Toda Ultra Light Weight 3-Puk Mettalic Clutch Kit Nissan 240SX S15

TODA clutch kits include a TODA lightweight flywheel, clutch disc, and pressure plate. The entire assembly is balanced on a dynamic balancer to ensure reliable high rpm operation. Although the flywheel, clutch disc, and pressure plate are available separately, when purchased together as a kit, the balancing service which is normally a $150 fee is free. Two

£1361.34

Toda Racing Pressure Plate Nissan Silvia 99-01

Friction between the Pressure Plate and the automobile s constantly rotating flywheel is necessary to make an automobile drive smoothly. A worn Pressure Plate can reduce acceleration. A Pressure Plate exerts pressure on the motor s rotating flywheel, forcing the engine to push the car in the direction you want it to go. Top notch capability and automotive

£391.19

Toda Racing Full Face Clutch Disc Nissan Silvia 99-01

TODA close mission changes the gear ratios of 1st and 2nd. Improved acceleration by letting engine use its power to the max. Features: Full Face Clutch Disc Only Flywheel and Pressure Plate Not Included Fitment: Nissan Silvia 1999-2001 Note: Pictures are used for marketing purposes only, actual product may

£383.37

Toda Racing 3 Puk Clutch Disc Nissan Silvia 99-01

TODA close mission changes the gear ratios of 1st and 2nd. Improved acceleration by letting engine use its power to the max. Features: 3-Puk Clutch Disc Only Flywheel and Pressure Plate Not Included Fitment: Nissan Silvia 1999-2001 Note: Pictures are used for marketing purposes only, actual product may

£406.84

SPEC Stage 4 Clutch Nissan Silvia | 240SX SR20DET 2.0L 89-02

What good is more horsepower if it isn t transferred to the ground? The clutch is the main link between the power your engine produces and the transmission, but all too often it is also the weak link. Many stock clutches simply will not last under harsh driving conditions or continual hard launches. When a car is making more horsepower than stock the

£332.51

SPEC Stage 3 Clutch Nissan 240SX |Silvia SR20DET 2.0L 89-02

What good is more horsepower if it isn t transferred to the ground? The clutch is the main link between the power your engine produces and the transmission, but all too often it is also the weak link. Many stock clutches simply will not last under harsh driving conditions or continual hard launches. When a car is making more horsepower than stock the

£332.51

The Knowledge

THE KNOWLEDGE

Clutches & Flywheels

How Clutches and Flywheels can improve your Car

The clutch connects the transmission and the engine. When it is engaged, it clamps onto the flywheel and transfers power from the transmission to the wheels. It also determines the power output relative to the weight of the car and engine power. With regards to car performance, the basic principle is that the less power needed to get the flywheel moving, the more power available for the transmission and the wheels. When seeking to increase the engine RPM and achieve top acceleration, there is a need to reduce the weight of the clutch components or the car itself. The latter might not be easy hence most engineers resolve to shave off some weight from the performance clutch and the flywheel. That’s why materials like carbon fiber are quickly gaining prominence. So let’s look at how the clutch and flywheel improve your car performance.

Flywheel

The flywheel plays a critical role in freeing up engine horsepower in performance cars. Efficiency is usually achieved by tweaking the weight of the flywheel. Heavy flywheels are used in commuter cars as they allow easy gradual acceleration and better power holding capacity. They are smoother and quieter thus improving the drivability of the car. However, they are slow in shifting. On the track where the goal is to maintain high RPMs, you need a flywheel that will quickly pick up the speed for faster acceleration. There are three types of flywheels that you need to consider if you are to make the most out of your car.
  • The stock units - these are great for normal driving. Since they are less aggressive, their longevity is also commendable.
  • Light steel units - these are mid-range performance equipment. They are lighter than the stock units
  • Light aluminum flywheel - this is recommended for drivers who fancy track racing, drifting and drag races. It is more punishing, due to the aggressive clamping when the clutch is engaged.
Therefore, when improving your car with aftermarket flywheel, take these three options into consideration. A heavier flywheel takes more time to gain momentum. It also takes longer to slow down or lose the gathered momentum. On the other hand, a lighter flywheel picks up the power from the engine very fast and can also slow down very quickly during clutch dumping. The result is a faster engine response on the track. The downside to a lighter flywheel is a reduced inertial spin on a hill. You will need direct effort from the engine as soon as you start climbing the hill. Therefore, for optimum performance consider extremely light flywheels on flat tracks that demand quick revs and stops.

The Clutches

When you engage the clutch, the clutch plates separate the engine from the drive wheels to allow you to change the gear. As you release the clutch, the plates reengage to connect the drive wheel to the engine. This process is usually electronically monitored to avoid breaking the cogs on the flywheel.

How Clutches Improve a Vehicle's Performance

The clutch performance is dependent upon several aspects and components:

The clutch discs

These discs influence how the clutch feels when you engage a gear. The smoothness or roughness of the engagement depends on the availability of dampening springs on these discs. These springs cushion the interaction between the outer engagement material and the transmission. Discs without the springs are prone to abrupt clamping causing a ‘jerky’ feeling. They are mostly recommended for drag races and drifting where you need to put down a lot of power almost instantaneously. Clutch disc material can also improve the overall performance of the clutch. Those with carbon fiber lining are extremely lightweight and can take a lot of heat. In fact, they perform best when heated up, so pre-race warming is recommended to prevent slippage. Therefore, you might want to purchase these if you're planning on some racetrack action. Metallic and ceramic discs with up to six pucks are also recommended for extreme performance. These discs are smaller and feature more prominent riveting to increase the surface area. Since they go through a lot of wear and tear, some manufacturers such as Exedy make them with room for dismantling to allow for the replacement of worn out parts. Organic discs with a continuous edge are preferred for the day to day driving. Some may be supplied with Kevlar material to suit the needs of spirited street drivers. They are characteristically larger with a fewer amount of riveting. This information can help you unlock the full potential of your car. High-end units might promise more power and performance but not when applied to the wrong car. Note that more power will also contribute to the wearing of your transmission parts.