Allstar Performance GM HEI Distributor w/Black Cap ALL81202

Compatible with Small and Big Block Chevy® except 348-409. This product is not created or sold by Chevy®.;

Distributor has high output coil and adjustable vacuum advance, perfect for upgrading stock HEI distributors for higher RPM. Housings are CNC-machined 6061-T6 aluminum with an upper support bearing to provide accurate timing at higher RPM. Include snap-on spark plug wire retainer and instructions.;