Allstar Performance GM HEI Module ALL81208

Allstar Performance GM HEI Module features high output coils and adjustable vacuum advance for elevated RPM performance. Suitable for small and big block Chevy engines, excluding 348 and 409 models. The CNC-machined 6061-T6 aluminum housing incorporates an upper support bearing for enhanced timing precision at higher RPM. Includes a snap-on spark plug wire retainer and accompanying instructions.

Allstar Spec Sheet