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Installing these springs in your 3D clutch will increase the slip torque to about 43 foot-pounds
No painting
All parts are pre-coated and bolt together
centrifugal clutch
4th Gear Set for Spec Boxster Transmission type:DVY (1999) Installing these springs in yourFits the original 1999 Porsche Boxster (986), per PCA POC spec racing. Stock gears break often in racing, and they are no longer available from Porsche. These gears replicate stock functionality with more reliability. We stayed true to the stock ratio. They are cut helically, but with less angle. Using modern proprietary race proven profiles, alloys, and hardening, these gears are the ultimate upgrade for your race car. Select your transmission model
US$ 807.50
US$ 3722.50
US$ 1050.00
