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 Banner, 18in. x 38in.

NOS Banner, 18in. x 38in.

$47.70

MSD Fuel Injection System Installation Kit, Atomic LS EFI, LS1/LS6, Kit

MSD Fuel Injection System Installation Kit, Atomic LS EFI, LS1/LS6, Kit

$466.09

NOS EFI Nitrous Wet Plate Only Kit, LS2

NOS EFI Nitrous Wet Plate Only Kit, LS2

$937.95