Regitar USA Distributor Cap f/GM V6 Engines w/Thunderbolt IV V HEI Ignitions [RME013] Engine Parts & Service The Belt Buddy Mechanism which

The Belt Buddy Mechanism which goes with most any adjustment arm is part number BBU

Typical Applications:

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(12) - 7403 - A-Series Flat Rocker Circuit Breaker - Single Pole 15A

Regitar USA Distributor Cap f/GM V6 Engines w/Thunderbolt IV V HEI Ignitions [RME013] Engine Parts & Service The Belt Buddy Mechanism whichDistributor Cap for GM V6 Engines with Thunderbolt IV & V HEI Ignitions Distributor Cap for GM V6 Engines with Thunderbolt IV & V HEI Ignitions. Engine Brand: Mercury Mercruiser OMC Fitment: GM V 6 Engines with Thunderbolt IV & V HEI Ignitions Brochure (pdf)