Chevy Gm LS1 LS6 12V High Output E-Poxy Ignition Coil Red [Square D585] 8pcs If your standard Bowtie block

If your standard Bowtie block could handle 1500+ HP it would be Speedmaster's H1 engine block

the IAC valves adjust the airflow to improve motor idling

These kits are expertly crafted to restore optimal performance and are tailored to match specific cylinder head configurations and camshaft profiles

1966-83 trucks and Suburbans

Chevy Gm LS1 LS6 12V High Output E-Poxy Ignition Coil Red [Square D585] 8pcs If your standard Bowtie blockFailure or poor performance from a coil can result in a misfire, a rough running, hard starting engine, and excessive emissions. Speedmaster's ignition coils provide the performance needed to help keep vehicles running the way that they were designed. These coils have corrosion protected laminations to protect coils from the harsh operating environment