OS Giken STR Series Clutch & Flywheel Kit (Subaru EJ20/EJ25)
The STR Clutch line-up was designed to hold high capacity power while still retaining a relatively light clutch pedal. This technology was driven from our racer's demand for a lighter clutch during long endurance races in Japan. Heavy clutch pedals lead to driver fatigue during long endurance racing. Available in single and twin plate configurations matched with a unique clutch cover which allows for factory like clutch pedal feel.
OS GIKENST R SERIES CLUTCH AND FLYWHEEL KIT
The STR Clutch line-up is best suited for those who enjoy spirited driving and is well suited for street and occasional race use. The STR Clutch is available in single and twin plate configurations, and matched with a unique clutch cover which provides a factory clutch pedal feel. The result is a race ready clutch that can be easily driven around town.
Dampened Twin Plate w/Soft Diaphragm, Move Alt Kit Incl.
PART # SB041-BJ6
FITMENT: ALL 5 & 6 SPEED SUBARU TRANSMISSIONS
"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 OFOS 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(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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