Vacuum Advance Lock Out - Plastic - GM HEI Distributors - Each

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Reference Information

Vacuum Advance, Vacuum Lock Out, HEI, GM, Each

These Proform GM HEI distributor advance lockouts are designed to easily remove the vacuum advance chamber from Proform distributors that use a clockwise rotation. They are made of plastic and feature a black finish. No modifications are required to install the advance lockouts.