Porsche 996 3.4L for use with OE dual mass flywheels Year Span 1999-2001 Performance Clutch Kits Product Number Torque Capacity Pricing Choose Clutch Single Stage 1 Product Number SP641 Torque Capacity 430 Pricing $755.00 Stage 2 Product Number SP642 Torque Capacity 488 Pricing $875.00 Stage 2+ Product Number SP643H Torque Capacity 548 Pricing $799.00 Stage 3+ Product Number SP643F Torque Capacity 678 Pricing $975.00 Stage 4 Product Number SP644 Torque Capacity 583 Pricing $755.00 None Not Available Pricing Questions? Give us a call. 1-800-828-4379