HP Copper Spark Plug - Shorty - 8199 cat-back-exhaust-system 4L V8 1975 - 1978

4L V8 1975 - 1978 GMC P35 Value Van 454/7

Front Brake Line Kit

Product Features:

Note 4 -this product is legal only for off highway use (except in California or states that have adopted California emission standards)

Rebuilds your factory pump

HP Copper Spark Plug - Shorty - 8199 cat-back-exhaust-system 4L V8 1975 - 1978Overview: 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