Chevy Gm LS1 LS6 12V High Output E-Poxy Ignition Coil Red [Square D585] For extreme high performance applications

For extreme high performance applications

Speedmaster billet servo covers upgrade your automatic transmission

install and adjust the side bearings on your vehicle's independent rear axle with this side adjuster tool from Speedmaster

fuel injectors

These Speedmaster connecting rod bearings are just what you need to freshen up your engine

Chevy Gm LS1 LS6 12V High Output E-Poxy Ignition Coil Red [Square D585] For extreme high performance applicationsFailure 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.