HEI Advanced Curve Kit. 1974-79 GM HEI distributors. 2 weights, special centre plate, 6 colour coded. Kit includes.
Classic Mini 998cc Points Distributor Lucas Type 25D with 998cc Advance Curve
Classic Mini 25D Electronic Distributor With Advance Curve for 998cc
MSD-8428 GM HEI Weight & Spring Kit
MSD-8628 Advance Weight Kit for Pro Billet Distributors
GM HEI V8 Replacement Adjustable Vacuum Advance Canister
Proform Adjustable Vacuum Advance Canister – GM HEI V8 (66952C)
