MSD Pro-Cap - Fits Most MSD Distributors Helmet Spoiler The highly efficient tube to

The highly efficient tube to fin bond in the Howe core provides for maximum heat transfer and dissipation

GM Fullsize Truck 1973-89

GM Fullsize Truck 2003-07

The Cleveland port layout and intake bolt hole pattern fit both 2V and 4V heads

MSD Pro-Cap - Fits Most MSD Distributors Helmet Spoiler The highly efficient tube toThe MSD Pro Cap is the largest and strongest cap and rotor available! Not only that, but it will be the last cap you ever buy because the stainless steel terminals and rotor tip are serviceable! The Pro Cap has a big five inch diameter with two full inches between each terminal! This ensures accurate spark delivery and far less chance of spark scatter inside the cap. The entire assembly is injection molded from Dupont(R) Rynite? material. Features: