Buick 322-364-401-425, Magnetic Trigger, Vacuum Advance

MSD8524

D8524

Simple and clean installation with only three wires to connect Powerful built-in module produces a 7.5 amp single spark through high rpm Easy-to-adjust mechanical advance with supplied springs and stop bushings Vacuum advance canister for improved economy (can be locked out) CNC machined billet aluminium housing and billet aluminium 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 Cap-A-Dapt) Does not require an MSD Ignition Control Note: Recommended coil is MSD8207 The Buick Nailhead is one of the most sought after nostalgic engines for rods and is still providing the smooth power to plenty of Buicks. Nailhead fans can finally get a state-of-the-art distributor to provide the fire! MSD's Nailhead Distributor is a Ready-to-Run design which means that it doesn't require an external ignition box. This is because inside the billet aluminium housing there is a powerful ignition module capable of producing a high-output spark. This design also makes installation an easy affair with only three wires to connect! Just under the custom MSD cap and retainer is an accurate mechanical advance assembly. MSD supplies different advance springs and stop bushings so you can tune a timing curve to match your Nailhead's needs! A sealed ball bearing supports a polished steel shaft to provide endurance and stability. To top it off the re is avacuum r which can help economy on long drives. The Ready-to-Run Distributor is supplied with everything you need to drop it in and fire up your Nailhead!