MSD 8524 Buick Nailhead Ready to Run Billet Distributor

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 distributor and is ready to go without the need for additional control box.

• Fits 322, 364, 401 and 425 Buick Nailheads
• 12 volt operation
• Does not require an MSD Ignition Control
• Accepts HEI style spark plug wires
• 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 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 Chromoly 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

547-8524 Instructions (PDF)