Nissan-any 4cyl engine swap requiring custom components SR20DE to QR25 6sp transmission using 215mm SR20DE clutch diameter Year Span 1989-2025 Performance Clutch Kits Product Number Torque Capacity Pricing Choose Clutch Single Stage 1 Product Number SN571-3 Torque Capacity 225 Pricing $426.00 Stage 2 Product Number SN572-3 Torque Capacity 257 Pricing $520.00 Stage 2+ Product Number SN573H-3 Torque Capacity 288 Pricing $474.00 Stage 3 Product Number SN573-3 Torque Capacity 307 Pricing $433.00 Stage 3+ Product Number SN573F-3 Torque Capacity 357 Pricing $599.00 Stage 4 Product Number SN574-3 Torque Capacity 307 Pricing $433.00 Stage 5 Product Number SN575-3 Torque Capacity 432 Pricing $599.00 None Not Available Pricing Flywheels Product Number Pricing Choose Flywheel Aluminum Product Number SN02A-3 Pricing $449.00 None Not Available Pricing Specialty Products Billet Aluminum Flywheel Replacement Friction Plate with Fasteners (Included on Flywheel) $89 Diamond ground, includes self-locking fasteners Billet Aluminum Pressure Plate Option $199.00 Substantially reduces rotating mass, increases power and throttle response , adds infinite rebuildability Questions? Give us a call. 1-800-828-4379