MSD Pro-Cap - Fits MSD Pro Mag Only 57950BK Bump Steer Adjustable

Bump Steer Adjustable

cam drive system

Not legal for use on pollution controlled motor vehicles

Howe ball joints offer very low resistance while still fully capturing the ball to maintain alignment

1980-1992 Jaguar XJS

MSD Pro-Cap - Fits MSD Pro Mag Only 57950BK Bump Steer AdjustableTo go with the huge power of the Pro Mag 44, MSD developed a huge cap and rotor, the Pro Cap! The Cap has a big 5" terminal to terminal diameter which ensures spark delivery and prevents the chance of spark scatter occurring inside the cap. The entire assembly is injection molded from Dupont(R) Rynite? material for incredible strength and high dielectric properties. The Rotor features a deep skirt and thick vanes to stir up the air and even the rotor