ACCEL U-Groove performance spark plugs produce a larger spark for more power at high rpms. They improve throttle response and fuel economy and reduce fouling. Their purified Alumina insulator prevents arcing, and their machine-rolled threads protect heads.

More From This Category

MSD Spark Plug, Standard, Gasket Seat, Iridium, 14mm Thread, 0.7500 Reach, 13/16 Hex, Set of 4

MSD Spark Plug, Standard, Gasket Seat, Iridium, 14mm Thread, 0.7500 Reach, 13/16 Hex, Set of 4

$22.70

MSD Spark Plug Wires, Street Fire, 8.0mm, Black, Straight Boots, Socket Cap, For Chevrolet, Big Block, Set

MSD Spark Plug Wires, Street Fire, 8.0mm, Black, Straight Boots, Socket Cap, For Chevrolet, Big Block, Set

$151.02

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

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

$303.75