Proform 66945RC Distributor Tune-Up Kit Tune-up kit includes a red distributor cap. Designed to fit 1973 through 1990 V8 engines GM HEI distributors with internal type coil. Kit includes cap coil, rotor, coil cover, control module, adjustable vacuum advance canister bushing, wire harness, curve kit and all hardware. Backed by a full 30 day limited factory warranty.