MSD 8577 Ford 351C-460 Pro Billet Small Cap Distributor with Iron Gear

The MSD 8577 Pro Billet Distributor is a high-performance, small-diameter ignition distributor engineered specifically for Ford 351C, 351M, 400, 429, and 460 engines equipped with an iron gear. Built into a compact CNC-machined billet aluminum housing, this distributor is 5/8" smaller in diameter than stock Ford distributors, freeing up valuable clearance in front of the engine. It features MSD's race-proven magnetic pickup and precision reluctor for accurate, stable trigger signals across the entire RPM range.

Key Features:

• CNC machined billet aluminum housing and base for precision fit and long-term durability
• Polished steel shaft with QPQ coating guided by a sealed ball bearing for high-RPM stability and endurance
• Maintenance-free magnetic pickup and precision reluctor deliver consistent trigger signals throughout the RPM range
• Fully adjustable mechanical advance assembly mounted to the top of the shaft — tune your timing curve with the included advance springs and stop bushings
• Advance plate and weights fine-blanked from chrome moly steel and QPQ coated for reduced friction
• Advance weight pins are staked and TIG welded to the plate for maximum strength and reliability
• Nylon pads ensure smooth, consistent operation of the advance weights
• Mechanical advance assembly can be locked out for use with crank trigger systems
• Supplied with small-diameter cap featuring HEI-style terminals and a race rotor (compatible with MSD 8441 Cap-A-Dapt)
• Overall distributor length: 8-3/4 inches
• CARB EO compliant — legal for sale and use on emissions-controlled vehicles in all 50 states

Important: This distributor requires use with an MSD 6, 7, or 8-Series Ignition Control — it is not a standalone ready-to-run unit. Compatible with Ford 351C, 351M, 400, 429, and 460 engines with iron gear.