Mounted to the top of this shaft is a fully adjustable mechanical advance assembly. The rate at which the chromoly assembly advances the timing is easily controlled by changing the supplied advance springs and stop bushing for total advance.

Features

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

CARB E.O. Approved

Easy-to-adjust mechanical advance with 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 create stable trigger signals throughout the rpm range

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

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

Mechanical advance assembly can be locked out for crank trigger systems

Advance weight pins are staked and tig welded to the plate

Nylon pads ensure smooth operation of the advance weights

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

Must be used with an MSD Ignition Control