ACCEL U Groove Shorty Spark Plug - 0416S (4 Pack) Pilot Bearing These cylinder heads do not

These cylinder heads do not require offset rockers of any kind

1992-1995 Oldsmobile 88

125in center posts using banana style Tear Offs (P208Z in Z Optics Tear Offs)

6 AN Female O-Ring Inlets / Return

and the nipple pilot prevents damage to the inner tube

ACCEL U Groove Shorty Spark Plug - 0416S (4 Pack) Pilot Bearing These cylinder heads do notACCEL 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: 1968 1969 Oldsmobile Cutlass 1969 1969 Oldsmobile F85 1985 1987 Oldsmobile