Distributor Advance Lockouts
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Lockout Kit for GM OE HEI Vac. Advance (MSD88364)
MSD IGNITION
$31.57Spark Advance Lockout - Vacuum Advance - Plastic - Black - MSD GM OE HEI Distributor - Each$31.57 -
Advance Lockout Kit GM HEI Distributor (FST1000-2503)
FAST ELECTRONICS
$21.95Spark Advance Lockout - Mechanical / Vacuum - Aluminum - GM HEI Distributors - Each$21.95