These Autolite copper core spark plugs feature a cold-formed steel shell with precision-rolled threads, a full copper core electrode to provide better performance, and a one-piece terminal post to add strength. Autolite copper core spark plugs use a copper-glass seal that bonds the insulator and terminal post center electrode together. This ensures full voltage at the spark gap and a 100 percent leakproof, gas-tight seal. Autolite features an extensive application guide to cover just about everything with an internal combustion engine. Keep your engine running smoothly and reliably, simply by switching to some new Autolite copper core spark plugs.

More From This Category

MSD Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Red, 90 Degree Boots, For Chevrolet, Small Block, V8, Set

MSD Spark Plug Wires, Super Conductor, Spiral Core, 8.5mm, Red, 90 Degree Boots, For Chevrolet, Small Block, V8, Set

$264.21

MSD Spark Plug Wires, Street Fire, 8.0mm, Black, Straight Plug Boots, HEI & Socket Boots/Terminals, Universal, V8, Set

MSD Spark Plug Wires, Street Fire, 8.0mm, Black, Straight Plug Boots, HEI & Socket Boots/Terminals, Universal, V8, Set

$140.69

MSD Spark Plug Wires, Copper, Silicone, 90 Degree, 8.5mm Dia, Red, Watercraft 2-Cylinder, Set

MSD Spark Plug Wires, Copper, Silicone, 90 Degree, 8.5mm Dia, Red, Watercraft 2-Cylinder, Set

$88.00

Powerhouse Index Washer, Spark Plug Seat, 14mm, Tapered, Set of 30

Powerhouse Index Washer, Spark Plug Seat, 14mm, Tapered, Set of 30

$60.72

MSD Ignition Wire Spool, Super Conductor, 8.50mm, 100 ft. Length, Black, Each

MSD Ignition Wire Spool, Super Conductor, 8.50mm, 100 ft. Length, Black, Each

$655.48