MSD designed this 84023 Distributor Cap and Rotor Kit for GM V8 HEI Distributors from 1975-1990. Manufactured from injection molded high-quality and voltage insulating Rynite, they also come with brass terminals that resist carbon tracking. The cap and rotor of any ignition system must be considered maintenance items. Just as you change the oil and filter of your car, you should always replace the cap and rotor as a set. To make things easy, MSD now offers this cap and rotor as a replacement kit! MSD 84023 Distributor Cap and Rotor Kit Features: Fits GM V8 HEI Distributors from 1975-1990 Kit Includes MSD Part Numbers: 84111, 84101, 84022 Distributor Cap Color: Red Distributor Cap Material: Rynite Rotor Included: Yes Cap Style: Male/HEI Cap Mounted Coil: Yes Cap Attachment Style: Clamp Down Contact Terminal Material: Stainless Steel Coil Dust Cover Included: Yes Plug Wire Retainer: Yes Quantity: Sold as a kit From street cruisers to Top Fuel dragsters, MSD's ignition systems have been the industry leader for over 40 years. MSD continues to push the envelope with cutting-edge ignition technology as well as intake manifolds and EFI systems.