MSD Extreme Output GM HEI Distributor Cap YA0854 The integrated coil keeps underhood

The integrated coil keeps underhood wiring clean

This product features 90 seconds of engine RPM playback memory

5/8"-18 threaded hole in fitting accepts popular sending units

1978-1981 Chevrolet K30

MSD Extreme Output GM HEI Distributor Cap YA0854 The integrated coil keeps underhoodWith the introduction of the 20 Amp Extreme HEI Module, MSD needed an HEI Cap and Rotor that could withstand the high output. The answer was to mold a new HEI Cap, Rotor and Coil Cover. The Cap and Rotor will fit MSD HEI Pro Billet Distributor, PN 8365, Features: Absolutely the most powerful HEI Module available. 32 Mhz controller manages the extreme current for full output at racing rpm. Adjustable rev limiter from 5, 000 10, 000 rpm. Built in