HP Copper Spark Plug - Shorty - 0437S-4 Sale For Short Bed Models check

For Short Bed Models check Part Number TIN5102OM and for Long Bed Models check Part Number TIN5103OM

4L V8 1981 Pontiac Firebird   267/4

Total Height with 92/105mm EFI Plenum Top – 12

Application Small Block Chevy Baffle Included No Bolt Pattern Perimeter Brand Holley Breather Opening Size N/A Breather(s) Included No Construction Fabricated Emission Code 3 Finish Black Flange Thickness 0

5 V8 1970 - 1972 Chevrolet K30 Pickup 402/6

HP Copper Spark Plug - Shorty - 0437S-4 Sale For Short Bed Models checkOverview: 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