This little plate allows you to limit the amount of vacuum advance on your Pro-Billet HEI, PN 8365, and Street Fire HEI distributors, PN 8362.
Product Features:- Limit The Amount Of Vacuum Advance
- Helps limit the amount of vacuum advance on your HEI
- Made out of high quality materials
- Comes with stop plate, bushing, lock washer, and two different size screws