Proform
Proform 66948C - Engine Distributor Advance Curve Kit; Fits GM HEI Models 1996 and Earlier; Will Not Work On Computer Controlled HEI Distributors; Includes 3 Set of Springs, Limit Bushings and Weights For Custom-Curving Any HEI Distributor; Sold As O
Proform 66948C - Engine Distributor Advance Curve Kit; Fits GM HEI Models 1996 and Earlier; Will Not Work On Computer Controlled HEI Distributors; Includes 3 Set of Springs, Limit Bushings and...