Porsche 964 C2 kits for use with billet single mass flywheel Year Span 1989-1994 Comments use of the SP39A single mass flywheel requires a 964 RS ring gear Performance Clutch Kits Product Number Torque Capacity Pricing Choose Clutch Single Stage 1 Product Number SP261S Torque Capacity 410 Pricing $999.00 Stage 2 Product Number SP262S Torque Capacity 525 Pricing $1,089.00 Stage 2+ Product Number SP263HS Torque Capacity 580 Pricing $1,099.00 Stage 3 Product Number SP263S Torque Capacity 670 Pricing $999.00 Stage 3+ Product Number SP263FS Torque Capacity 750 Pricing $1,199.00 Stage 4 Product Number SP264 Torque Capacity 670 Pricing $989.00 Stage 5 Product Number SP265 Torque Capacity 870 Pricing $1,179.00 None Not Available Pricing Flywheels Product Number Pricing Choose Flywheel Aluminum Product Number SP39A Pricing $889.00 None Not Available Pricing Questions? Give us a call. 1-800-828-4379