Autolite 303 Copper Resistor Spark Plug

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: 3/8 In Resistor: Suppressor Seat Type: Gasket Thread Diameter: 14 mm Tip Configuration: Standard Wrench Diameter: 13/16 In Fits Select: 1969-1970 CHEVROLET C10 8 Cyl L 1969-1970 CHEVROLET C20 8 Cyl L 1969 CHEVROLET EL CAMINO 8 Cyl L 1969-1970 GMC C1500 8 Cyl L 1969-1970 CHEVROLET K10 8 Cyl L 1969-1970 CHEVROLET C30 8 Cyl L 1969-1970 CHEVROLET K20 8 Cyl L 1970 CHEVROLET BLAZER 8 Cyl L 1969-1970 GMC C2500 8 Cyl L 1977 INTERNATIONAL AUSTERE SCOUT 8 Cyl L 1969-1970 GMC K1500 8 Cyl L 1969-1970 GMC C3500 8 Cyl L 1969 GMC K2500 8 Cyl L 1970 GMC JIMMY 8 Cyl L 1970 CHEVROLET VAN 8 Cyl L and more - add your vehicle to our fit widget to check