GM HEI Distributor, Vacuum Advance, Fits GM HEI Models 1996 and Earlier

Proform GM HEI Distributor, Vacuum Advance, Fits GM HEI Models 1996 and Earlier






HEI Adjustable Vacuum Advance Fits GM. For fine-tuning your vacuum advance and optimum performance. Product Features:Fits GM HEI Models 1996 and EarlierWill Not Work with Computer Controlled HEI DistributorsAdjustable Style Allows User To Fine-Tune The Vacuum Advance for Optimum Performance