Autolite Copper Resistor Spark Plug: Up to 30kMile Life Expectancy Fits select: 1987-1996 FORD F150, 1987-1996 FORD ECONOLINE

Autolite spark plug's built a reputation in the automotive industry for quality and craftmanship. We manufacture spark plug's for virtually every automobile on the road today. Autolite spark plug's are available for on and off road use and are designed for all weather conditions.

Copper-glass seal bonds insulator, terminal post center electrode together, assures full required voltage at spark gap, gas-tight seal (100% leak proof) Multi-rib insulator reduces danger of "flash-over" One-piece terminal post adds strength Resistor reduces radio frequency interference (RFI) and electrode erosion Electrode Tip Material: Resistor Reach: .460 In Resistor: Suppressor Seat Type: Tapered Thread Diameter: 18 mm Tip Configuration: Power Wrench Diameter: 13/16 In Fits Select: 1987-1996 FORD F150 6 Cyl 4.9 L 1987-1996 FORD ECONOLINE 6 Cyl 4.9 L 1987-1996 FORD F250 6 Cyl 4.9 L 1987-1992 FORD BRONCO 6 Cyl 4.9 L 1987-1996 FORD F350 6 Cyl 4.9 L and more - add your vehicle to our fit widget to check