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.

Image is a representation. Actual product may vary.

More From This Category

NOS Nitrous System, Pro Two-Stage, 4150, 200-500HP, blk 10lb bottle

NOS Nitrous System, Pro Two-Stage, 4150, 200-500HP, blk 10lb bottle

$3,225.83

MSD Ignition Coil, 1999-2009 GM L-Series Truck Engines, Black, Set of 8

MSD Ignition Coil, 1999-2009 GM L-Series Truck Engines, Black, Set of 8

$936.45