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DetailsVacuum Advance Lock Out, Plastic, GM HEI Distributors, EachDescriptionThese 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. ALL USA STOCK All our products are sourced nationally from our trusted US suppliers.  FREE SHIPPING We provide Free Shipping on our our orders...

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