Porsche 997.2 Base/S/GTS for use with billet single mass flywheels Year Span 2009-2012 Performance Clutch Kits Product Number Torque Capacity Pricing Choose Clutch Single Stage 1 Product Number SP901S-3 Pricing $1,089.00 Stage 2 Product Number SP902S-3 Pricing $1,255.00 Stage 2+ Product Number SP903HS-3 Pricing $1,259.00 Stage 3 Product Number SP903S-3 Pricing $1,139.00 Stage 3+ Product Number SP903FS-3 Pricing $1,289.00 Stage 4 Product Number SP904R-3 Pricing $1,079.00 Stage 5 Product Number SP905R-3 Pricing $1,199.00 None Not Available Pricing Flywheels Product Number Pricing Choose Flywheel Aluminum Product Number SP97A Pricing $999.00 Steel Product Number SP97S Pricing $999.00 None Not Available Pricing Questions? Give us a call. 1-800-828-4379