ACCEL U Groove Shorty Spark Plug - 0276S (4 Pack) 919100 1-3/8 in OD Tube

1-3/8 in OD Tube

Top element is pre-oiled and ready for Installation

4 x 2-1/2 x 5 in

Timing Cover

Light pedal effort

ACCEL U Groove Shorty Spark Plug - 0276S (4 Pack) 919100 1-3/8 in OD TubeACCEL 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. **Please Note** Although ACCEL still calls these U Groove Plugs they do not groove the electrode. Vehicle Applications: 1971 1974 Mercury Colony Park 1971 1985 Chevrolet C20 Suburban 1976 1978 GMC