MSD 84111 extreme output GM HEI distributor cap. Features durable construction, fits GM HEI distributors, ensures reliable spark distribution, sold as each.
MSD 84023 HEI extreme cap and rotor kit. Includes PN 84111, 84101, 84022, fits Chevy HEI distributors, ensures reliable spark distribution, sold as a kit.
MSD 8427 GM HEI late model rotor ext coil cap. Features external coil design, fits GM HEI late model distributors, ensures reliable spark distribution, sold as each.