1978 Mercury Zephyr Performance Distributors

MSD Pro-Billet Distributors are the finest performance and racing distributors available. Every feature has been engineered to endure the rigors of high performance and racing engines. Whether cruising the streets or racing stock cars, dragsters, boats or trucks, MSD has a distributor for it. MSD uses state-of-the-art, Computer Numerical Controlled (CNC) mills and lathes to machine each housing. After a long series of precise cuts and movements, the billet is formed into a flawless distributor housing that is accurate to within 0.001″. The flex-free housings are lightweight, have no porosity or weak areas and look great on polished, show quality engines.

Product Features:

• CNC machined billet aluminum housing and Dupont Rynite base
• Must Be Used w/An MSD Ignition Control
• Supplied w/Cap; HEI Style Terminals And Rotor
• Nylon pads ensure smooth operation of the advance weights
• Advance weight pins are staked and tig welded to the plate
• Mech. advance assem. can be locked out for crank trigger systems
• Advance plate and weights are fine blanked from chrome moly steel
• QPQ coated for friction reduction

The street pro-billet distributors are the perfect choice for powerful engines that see plenty of street time. The street models share the same features as the small diameter models shown above, plus feature a vacuum advance. This canister provides improved economy and an accurate mechanical advance lets you dial-in an advance curve to match your driving needs. A magnetic pick-up produces accurate trigger signals that remain stable throughout the entire rpm range of your engine and is completely maintenance-free.

Product Features:

• Billet housing 5/8 in. smaller dia. than stock Ford distributors
• CARB E.O. Approved
• Easy-to-adjust mech. advance w/supplied springs and stop bushings
• Vacuum advance canister for improved economy (can be locked out)
• CNC machined billet aluminum housing and billet aluminum base
• Maintenance-free magnetic pickup and precision reluctor
• Creates stable trigger signals throughout the rpm range
• QPQ coated polished steel shaft; guided by sealed ball bearings
• Advance plate and weights are fine blanked from chrome moly steel
• QPQ coated for friction reduction
• Mech. advance assem. can be locked out for crank trigger systems
• Advance weight pins are staked and tig welded to the plate