Ford F500-800 Truck 6.1,7.0L Year Span 1979-1992 Performance Clutch Kits Product Number Torque Capacity Pricing Choose Clutch Single Stage 1 Product Number SF811 Pricing $449.00 Stage 2 Product Number SF812 Pricing $564.00 Stage 2+ Product Number SF813H Pricing $570.00 Stage 3 Product Number SF813 Pricing $469.00 Stage 3+ Product Number SF813F Pricing $709.00 Stage 4 Product Number SF814 Pricing $469.00 Stage 5 Product Number SF815 Pricing $689.00 None Not Available Pricing Questions? Give us a call. 1-800-828-4379