Champion Spark Plug Copper Plus- Boxed - RF10C Fits select: 1966-1974 FORD F100, 1966-1974 FORD F250

Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.

Copper Plus - Dependable Performance. Copper core center electrode allows for accurate control of heat range for longer life Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression Built to ISO and SAE standards for proven performance Copper Plus - Dependable Performance. Copper core center electrode allows for accurate control of heat range for longer life Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression Built to ISO and SAE standards for proven performance Copper Plus - Dependable Performance. Copper core center electrode allows for accurate control of heat range for longer life Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression Built to ISO and SAE standards for proven performance Copper Plus - Dependable Performance. Copper core center electrode allows for accurate control of heat range for longer life Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression Built to ISO and SAE standards for proven performance Fits Select: 1966-1967 FORD F100 8 Cyl 5.8 L 1968-1974 FORD F100 6 Cyl 3.9 L 1966-1967 FORD F250 8 Cyl 5.8 L 1987-1993 DODGE W-SERIES 8 Cyl 5.9 L 1966-1967 FORD F350 8 Cyl 5.8 L 1966 FORD RANCHERO 8 Cyl 4.7 L 1987-1993 DODGE D-SERIES 8 Cyl 5.9 L 1967,1969-1974 FORD ECONOLINE 6 Cyl 3.9 L 1994 DODGE RAM 3500 8 Cyl 5.9 L 1968-1974 FORD F250 6 Cyl 4.9 L 1969-1971,1973 FORD CLUB WAGON 6 Cyl 3.9 L 1968-1974 FORD F350 6 Cyl 4.9 L 1967-1969,1971 FORD PARCEL CHASSIS 6 Cyl 3.9 L 1966,1974 FORD PARCEL CHASSIS 6 Cyl 4.9 L 1974 FORD CLUB WAGON 6 Cyl 4.9 L and more - add your vehicle to our fit widget to check