Moroso 72300 Advance Curve Kit, Fits GM HEI Distributors

JEGS Adjustable Vacuum Advance | For GM V8 HEI Distributors | Replaces OE Non-Adjustable Unit

Wells C07219 Distributor Vacuum Advance

ACCEL 31034 Adjustable Vacuum Advance, Silver

ACDelco Professional D1321AX Ignition Distributor Vacuum Advance

Trans-Dapt Performance Trans-Dapt 4973 Chrome Vacuum Advance Cover

MSD 88364 Vacuum Advance Lockout HEI

Distributor Vacuum Advance Compatible With Buick Wildcat 1963 1964 1965 1966 1967 1968 1969 1970 PC-887685

ACDelco D1313C Professional Ignition Distributor Vacuum Advance

Brothers Trucks - 47-62 CHVY/GMC VACUUM ADVANCE MODULE (VAM4762)