Mercury Cyclone, Marquis, Park Lane 5.0L 10.5inch Lever Year Span 1968-1971 Performance Clutch Kits Product Number Torque Capacity Pricing Choose Clutch Single Stage 1 Product Number SF071 Torque Capacity 450 Pricing $445.00 Stage 2 Product Number SF072 Torque Capacity 575 Pricing $570.00 Stage 2+ Product Number SF073H Torque Capacity 625 Pricing $499.00 Stage 3 Product Number SF073 Torque Capacity 675 Pricing $459.00 Stage 3+ Product Number SF073F Torque Capacity 780 Pricing $709.00 Stage 4 Product Number SF074 Torque Capacity 675 Pricing $459.00 Stage 5 Product Number SF075 Torque Capacity 950 Pricing $679.00 None Not Available Pricing Flywheels Product Number Pricing Choose Flywheel Aluminum Product Number SF15A Pricing $539.00 Steel Product Number SF15S Pricing $399.00 None Not Available Pricing Specialty Products Billet Aluminum Flywheel Replacement Friction Plate with Fasteners (Included on Flywheel) $89 Diamond ground, includes self-locking fasteners Questions? Give us a call. 1-800-828-4379