Description
Advance Kit, GM HEI, Weight & Spring
GM HEI Weight & Spring Kit
The Kit comes with new advance weights, springs to set the rate of advance and new bushings.
This kit will help you achieve the solid ignition timing you need!
This is designed for the Street Fire HEI and stock style HEI Distributors.
(Not for use with Billet and Pro-Billet MSD Distributors)
Fits Street-Fire HEI
Fits Stock Style HEI Distributors
Not for MSD Billet and Pro-Billet Distributors