Allstar Chevy HEI Performance Distributors & Components

Allstar HEI Performance Distributors have high output coils and adjustable vacuum advances. This makes them perfect for upgrading stock HEI distributors for higher RPM. These HEI performance distributors fit both small and big block Chevy (except 348 and 409). Housings are CNC-machined 6061-T6 aluminum with an upper support bearing to provide accurate timing at higher RPM. Distributors include snap-on spark plug wire retainer and instructions.