Nissan-any 4cyl engine swap requiring custom components SR20DE to QR25 6sp transmission using 228mm KA clutch Year Span 1989-2025 Performance Clutch Kits Product Number Torque Capacity Pricing Choose Clutch Single Stage 1 Product Number SN541-4 Torque Capacity 265 Pricing $417.00 Stage 2 Product Number SN542-4 Torque Capacity 300 Pricing $528.00 Stage 2+ Product Number SN543H-4 Torque Capacity 325 Pricing $464.00 Stage 3 Product Number SN543-4 Torque Capacity 380 Pricing $428.00 Stage 3+ Product Number SN543F-4 Torque Capacity 485 Pricing $589.00 Stage 4 Product Number SN544-4 Torque Capacity 380 Pricing $428.00 Stage 5 Product Number SN545-4 Torque Capacity 550 Pricing $579.00 None Not Available Pricing Flywheels Product Number Pricing Choose Flywheel Aluminum Product Number SN02A-4 Pricing $459.00 None Not Available Pricing Specialty Products 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