MSD 8524 Buick Nailhead Ready to Run Billet Distributor

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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)