Porsche GT3 for use with single mass billet flywheel Year Span 2004-2011 Performance Clutch Kits Product Number Torque Capacity Pricing Choose Clutch Single Stage 1 Product Number SP841S Torque Capacity 525 Pricing $1,339.00 Stage 2 Product Number SP842S Torque Capacity 600 Pricing $1,087.00 Stage 2+ Product Number SP843HS Torque Capacity 670 Pricing $1,099.00 Stage 3 Product Number SP843S Torque Capacity 715 Pricing $999.00 Stage 3+ Product Number SP843FS Torque Capacity 830 Pricing $1,229.00 Stage 4 Product Number SP844SR Torque Capacity 715 Pricing $989.00 Stage 5 Product Number SP845 Torque Capacity 1001 Pricing $1,399.00 None Not Available Pricing Flywheels Product Number Pricing Choose Flywheel Aluminum Product Number SP69A Pricing $889.00 Steel Product Number SP69S Pricing $799.00 None Not Available Pricing Specialty Products Billet Flywheel Replacement Friction Plate Kit with Fasteners $79.00 Diamond ground, includes self-locking fasteners Questions? Give us a call. 1-800-828-4379