Porsche 911 3.3L turbo for use with billet flywheel Year Span 1986-1988 Comments Performance Clutch Kits Product Number Torque Capacity Pricing Choose Clutch Single Stage 1 Product Number SP521 Torque Capacity 485 Pricing $1,168.00 Stage 2 Product Number SP522 Torque Capacity 575 Pricing $1,292.00 Stage 2+ Product Number SP523H Torque Capacity 640 Pricing $1,295.00 Stage 3 Product Number SP523 Torque Capacity 740 Pricing $1,169.00 Stage 3+ Product Number SP523F Torque Capacity 800 Pricing $1,349.00 Stage 4 Product Number SP524 Pricing $1,169.00 Stage 5 Product Number SP525 Pricing $1,349.00 None Not Available Pricing Flywheels Product Number Pricing Choose Flywheel Aluminum Product Number SP08A Pricing $499.00 None Not Available Pricing Specialty Products Billet Aluminum Flywheel Replacement Friction Plate with Fasteners (Included on Flywheel) $89 Diamond ground, includes self-locking fasteners Questions? Give us a call. 1-800-828-4379