MSD 83521 Distributor

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.