MSD's Pro-Billet Small Diameter Distributor Black Housing and Cap with Iron Gear, fits 351C, 351M, 400, 429, 460 with iron gear. Must be used with an MSD 6, 7 or 8-series ignition.

Part Number: 85773

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.

Features and Benefits

• Must be used with an MSD Ignition Control
• Maintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm range
• Nylon pads ensure smooth operation of the advance weights
• Mechanical advance assembly can be locked out for crank trigger systems or racing applications
• CNC machined billet aluminum housing and billet aluminum base providing superior strength and great looks
• Easy-to-adjust mechanical advance with supplied springs and stop bushings (except locked out versions)
• Advance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reduction
• Advance weight pins are staked and tig welded to the plate
• Polished steel shaft is QPQ coated and guided by a sealed ball bearing for smooth operation at all rpms