Pro HEI RPM Replacement Ignition Module (Suits New HEI 6000 Series) If you need to replace

If you need to replace your sensors

While the GM 8

and have oil already applied

Speedmaster chromoly steel retainers are made from 4140 chromoly and then heat-treated for long life

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Pro HEI RPM Replacement Ignition Module (Suits New HEI 6000 Series) If you need to replaceSpeedmaster offers budget pricing and big performance with their ignition controller modules. The modules improve performance with multiple spark, more spark, and ensured combustion for a cleaner burn to set the streets on fire. Speedmaster ignition modules will show you the benefits of greater throttle response, smoother idle, and full power output at high rpm. Fire your engine for less with Speedmaster ignition controller modules.