Ford Mustang V8 6.4L 1.375 shaft Year Span 1967-1969 Comments 12inch diaphragm replacement for the 11.5in lever style Performance Clutch Kits Product Number Torque Capacity Pricing Choose Clutch Single Stage 1 Product Number SF271CJ Torque Capacity 609 Pricing $449.00 Stage 2 Product Number SF272CJ Torque Capacity 697 Pricing $695.00 Stage 2+ Product Number SF273HCJ Torque Capacity 782 Pricing $507.00 Stage 3 Product Number SF273CJ Torque Capacity 832 Pricing $450.00 Stage 3+ Product Number SF273FCJ Torque Capacity 967 Pricing $759.00 Stage 4 Product Number SF274CJ Torque Capacity 832 Pricing $450.00 Stage 5 Product Number SF275CJ Torque Capacity 1174 Pricing $739.00 None Not Available Pricing Flywheels Product Number Pricing Choose Flywheel Aluminum Product Number SF45A Pricing $589.00 None Not Available Pricing Specialty Products Billet Aluminum Flywheel Replacement Friction Plate with Fasteners (Included on Flywheel) $89 Diamond ground, includes self-locking fasteners Top Loader Release Bearing $60 Questions? Give us a call. 1-800-828-4379