MSD Ignition 8428 | GM HEI Weight and Spring Kit

MSD 8410 GM HEI rotor. Features durable construction, universal fit for GM HEI distributors, ensures reliable spark distribution, sold as each.

MSD 85001 Super HEI kit. Features performance upgrades, universal fit for HEI distributors, enhances ignition performance, sold as a kit.

MSD 88364 vacuum advance lockout. Features durable construction, fits GM HEI distributors, disables vacuum advance, sold as each.

MSD 84101 extreme output rotor. Features durable construction, fits GM HEI distributors, ensures reliable spark distribution, sold as each.

MSD 8411 GM HEI distributor cap. Features red finish, fits GM HEI distributors, ensures reliable spark distribution, sold as each.