Beneath the bolt down cap and MSD race rotor you'll find MSD's accurate mechanical advance assembly. Different advance springs and stop bushings are supplied so you can easily tune a curve to match your needs. Plus, there is a vacuum advance canister to increase economy on long drives. For protection, there is also an easy-to-set rev limiter!

Features

Equipped with Steel Gear

CARB E.O. Approved

Does not require an MSD Ignition Control

Supplied with small diameter cap with HEI style terminals and race rotor (will accept 8441 Cap-A-Dapt)

Nylon pads ensure smooth operation of the advance weights

Advance weight pins are staked and tig welded to the plate

Mechanical advance assembly can be locked out for crank trigger systems

Advance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reduction

Polished steel shaft is QPQ coated and guided by a sealed ball bearing

Maintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm range

Housing is 5/8” smaller in diameter than stock Ford distributors

CNC machined billet aluminum housing and billet aluminum base

Vacuum advance canister for improved economy (can be locked out)

Easy-to-adjust mechanical advance with supplied springs and stop bushings

Powerful built-in module produces a 7.5 amp single spark through high rpm

 Simple and clean installation with only three wires to connect

Includes built-in Rev Limiter!

Note: Will not fit XD and later Australian 351 Cleveland engines.