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The spring bolts are under heavy tension and should not be loosened without compressing the clutch
centrifugal clutch
No painting
Installing these springs in your 3D clutch will increase the slip torque to about 43 foot-pounds
The 212cc 4-stroke (6
4th Gear Set for Spec Boxster Transmission type:DVY (1999) The spring bolts are underFits 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
