GM-any LS1/2/3/6/7 recessed flywheel engine swap requiring custom components to Subaru Sti 6sp gearbox LS1 LS6 Year Span 1995-2025 Performance Clutch Kits Product Number Torque Capacity Pricing Choose Clutch Single Stage 1 Product Number SU301 Torque Capacity 402 Pricing $619.00 Stage 2 Product Number SU302 Torque Capacity 459 Pricing $689.00 Stage 2+ Product Number SU303H Torque Capacity 515 Pricing $729.00 Stage 3 Product Number SU303 Torque Capacity 549 Pricing $689.00 Stage 3+ Product Number SU303F Torque Capacity 638 Pricing $839.00 Stage 4 Product Number SU304 Torque Capacity 549 Pricing $689.00 Stage 5 Product Number SU305 Torque Capacity 772 Pricing $799.00 None Not Available Pricing Flywheels Product Number Pricing Choose Flywheel Steel Product Number SU30S-LS6 Pricing $489.00 None Not Available Pricing Questions? Give us a call. 1-800-828-4379