R45TS x8 ACDelco Spark Plugs Chevrolet Chrysler Ford GM OE Equipment 0.044 Gap
ACDELCO R45TS Specifications. CHRYSLER 1979-1983. CHEVROLET 1970-1992. FORD 1974-1985. Center Electrode Core Material Copper. Center Electrode Tip Material Nickel Alloy. Ground Electrode Core Material Nickel.