OS Giken TR Series Clutch & Flywheel Kit (Subaru EJ20/EJ25)
The TR Clutch series line-up was designed for vehicles which have substantial increases in engine power. This clutch is often found in time attack track cars and Pro-Am drift vehicles to handle medium to heavy engine tuning as well as the heat built up from these types of racing. The billet aluminum cover provides a more direct clutch pedal feel, but still maintains ease of engagement due to the unique leverage mechanism of the diaphragm spring to reduce overall pedal effort.
OS GIKENT R SERIES CLUTCH AND FLYWHEEL KIT
The TR Clutch line-up is designed for vehicles which have substantial increases in engine power and will be used mostly for racing with mild street use. The billet aluminum cover provides a more direct clutch pedal feel, but still maintains its street drivability due to the unique leverage mechanism of the diaphragm spring which reduces overall pedal effort.
Dampened Twin Plate
FITMENT: ALL 5 & 6 SPEED SUBARU TRANSMISSIONS
NOTE: THIS KIT REQUIRES THE OS GIKEN MOVEMENT ALTERATION KIT. SOLD SEPARATELY.
"Our integrated clutch and flywheel packages increase transmission efficiency and engine response. Our clutches and flywheels are built within strict tolerances and crafted using carefully selected materials to provide the highest quality and durability.
TECHNICAL ASPECTS OF OS GIKEN CLUTCHES:
- By combining a decreased disk diameter (vs OEM) with a solid design and carefully selected components, our clutch allows for extremely efficient power transfer and improved engine response.
- Our specially designed clutch cover contains a unique leverage mechanism for the diaphragm spring, resulting in a higher clamping load of the clutch disk(s) while reducing pedal effort.
- Integrated ventilation holes reduce heat generated inside the clutch system and allow for friction plate dust to exit outside the clutch system, thus increasing reliability and safety.
- Both the clutch components and the flywheel are constructed using the same specialized steel alloy to ensure similar heating characteristics across the assembly to minimize warpage and increase durability.
NOTE: THIS KIT REQUIRES(NOT INCLUDED!) THE OS GIKEN "MOVE ALT KIT" WHICH REPLACES YOUR STOCK CLUTCH FORK AND SLAVE CYLINDER.
Movement Alteration Kit
"OS Giken supplies a Movement Alteration Kit to allow the use of a push-type clutch on vehicles that are factory equipped with pull-type clutch systems. Please note that the OS Giken Movement Alteration Kit is designed to work with OS Giken clutches, and installation to unintended applications may result in failure of clutch components."
WARNING: Operating, servicing and maintaining a passenger vehicle or off-road vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle. For more information go to https://www.P65Warnings.ca.gov/passenger-vehicle.
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