Overview Special features include a fully adjustable mechanical advance assembly. For all-out racing, the advance mechanism can also easily be locked-out. | For stable timing, a high-output magnetic trigger pick-up is used to supply the ignition with a trigger signal. Additional stability is achieved via the 0.500" hardened distributor shaft that is supported by sealed ball bearings. | MSD's Pro-Billet Pontiac V8 Distributor for Pontiac engines built for either street performance or hard core racing applications. Fits 326, 350, 389, 400, 421, 428, and 455 Pontiac. Must be used with an MSD 6, 7 or 8-series ignition Features Maintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm range Supplied with an HEI style distributor cap and rotor (accepts Cap-A-Dapts) Advance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reduction Must be used with an MSD Ignition Control Nylon pads ensure smooth operation of the advance weights Polished steel shaft is QPQ coated and guided by a sealed ball bearing Advance weight pins are staked and tig welded to the plate Will not accept a vacuum advance canister CNC machined billet aluminum housing and billet aluminum base No CARB Exemption Order Number Easy-to-adjust mechanical advance with supplied springs and stop bushings Mechanical advance assembly can be locked out for crank trigger systems
