These engines have gained legendary status

Airbox volume

WHAT'S IN THE BOX

contributing to significant gains in power and overall engine efficiency

Also ideal for Porsche and Volkswagen air-cooled engines

OS Giken TR Twin Plate Clutch Kit, BMW E36 M3, Extreme Lightweight F11 M5 These engines have gained legendaryThe OS Giken TR Plate Clutch Kit, TR2B, was designed for vehicles which have substantially increased engine power. Featuring a billet aluminum cover, this kit ensures a more direct clutch pedal feel while maintaining easy engagement, thanks to the diaphragm spring's unique leverage mechanism that reduces overall pedal effort. Specifically designed for common tuner engines, the TR2B utilizes 204 mm clutch discs, and can handle up to approximately 500