MSD 8428 HEI Weight & Spring Kit

MSD 8428 Distributor Advance Curve Kit for GM HEI; Springs, Weights, Bushings

MSD 8428 HEI Weight & Spring Kit

8428 GM HEI Weight & Spring Kit

MSD 8428 HEI Weight & Spring Kit for Chevrolet Small Block V8 Engines

MSD Ignition 8428 Street Fire HARDWARE

MSD 8428 GM HEI Weight & Spring Kit For Street Fire HEI & Stock HEI Distributors