MSD Bronze Distributor Gear 0.006in Oversize for Chevy 0.500in Shaft 8472

Precise ignition timing is non-negotiable in high-performance Chevy engines, and a worn or undersized distributor gear compromises both reliability and combustion efficiency. The MSD Bronze Distributor Gear delivers a micro-polished, AMPCO 45 aluminum bronze construction that resists wear under sustained high-RPM operation and high-volume oil pump conditions. With the +0.006-inch oversize specification, this gear ensures a secure fit on 0.500-inch shafts while maintaining perfect mesh with your camshaft gear for consistent, repeatable ignition advance.

• AMPCO 45 aluminum bronze, 5% nickel
• +0.006 inch oversize
• 0.500 inch shaft diameter
• Small and big block compatible
• Micro-polished surface finish
• Includes rolled roll pin
• Gear break-in lubricant supplied
• Emissions code 5 compliant
• 1-year limited warranty