Opel GT Roadster for use with OE dual mass flywheel or billet flywheel designed for the original pressure plate Year Span 2007-2009 Performance Clutch Kits Product Number Torque Capacity Pricing Choose Clutch Single Stage 1 Product Number SC401 Torque Capacity 335 Pricing $0.00 Stage 2 Product Number SC402 Torque Capacity 395 Pricing $0.00 Stage 2+ Product Number SC403H Torque Capacity 440 Pricing $0.00 Stage 3 Product Number SC403 Torque Capacity 495 Pricing $0.00 Stage 3+ Product Number SC403F Torque Capacity 555 Pricing $0.00 Stage 4 Product Number SC404 Torque Capacity 495 Pricing $0.00 Stage 5 Product Number SC405 Torque Capacity 655 Pricing $0.00 None Not Available Pricing Flywheels Product Number Pricing Choose Flywheel Aluminum Product Number SC40A Pricing $549.00 None Not Available Pricing Specialty Products Billet Flywheel Replacement Friction Plate Kit with Fasteners $79.00 Diamond ground, includes self-locking fasteners Additional Clamp Load Upgrade $139 adds billet pressure plate option and increases capacities by additonal 130 ft lbs torque. ? Questions? Give us a call. 1-800-828-4379