HP Copper Spark Plug - Shorty - 0576S-4 tailpipe 4L V8 1976 - 1979

4L V8 1976 - 1979 Chevrolet P20   454/7

1986-1987 Oldsmobile Cutlass Salon 231 CID

Compact Design

This Force II single exhaust system includes all stainless steel 3

The pulley retains the factory harmonically balanced crank pulley and bolts on top of the existing unit

HP Copper Spark Plug - Shorty - 0576S-4 tailpipe 4L V8 1976 - 1979Overview: ACCEL's patented race proven spark plugs in a Shorty configuration. The overall length has been reduced 3 16 in to 3 8 in (depending on the specific spark plug) to gain critical air gap between the spark plug boot and the exhaust manifold or header tube. This helps eliminate burning the spark plug boot or dimpling the header tube. The shorter spark plug length also can make it easier to install an remove the spark plugs in certain