Allstar Performance Black GM HEI Distributor Cap ALL81205

Allstar Performance offers a replacement distributor cap designed for GM HEI style applications. This cap features high output coil compatibility and adjustable vacuum advance mechanisms, making it suitable for upgrading stock HEI distributors in engines operating at higher RPMs. The cap is constructed from CNC-machined 6061-T6 aluminum for durability and includes an upper support bearing for precise timing control at increased RPMs. A snap-on spark plug wire retainer and instructions are included for ease of installation.  This replacement cap is compatible with most small and big block Chevrolet engines, excluding 348 and 409 cubic inch displacements.

Allstar Spec Sheet