Your cart is empty.
Your cart is empty.Distributor Vacuum Advance Lockout by Proform fits GM HEI distributors
DRS
August 1, 2025
Did what it says it will do. Its plastic but works and fits very well.
Joe H.
July 23, 2025
Perfect fit for GM HEI
Customer
June 29, 2025
Very easy to install
Jane Okkelberg
June 8, 2025
Does not fit Pontiac hei or any counter clockwise rotating GM hei distributor.
Mitch McNeal
March 3, 2025
Lock out vacuum advance on a large GM HEI distributor for Fitech ignition control
Polaris
February 18, 2025
Its plastic, the ones I used to get were at least metal. If I wanted plastic I could use a zip tie.
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