MSD designed this 8471 Distributor Gear for 1955-2002 Small and Big Block Chevy engines. This gear is machined from quality AMPCO 45 Aluminum Bronze containing 5% nickel. This combination of bronze and nickel creates high-strength gear teeth that are less prone to wear, even with high-volume oil pumps. Kit includes gear break-in lubricant and a rolled roll pin for excellent strength. MSD 8471 Distributor Gear Features: For Chevy Small and Big Block engines from 1955-2002 Distributor Gear Material: Aluminum Bronze Alloy Distributor Shaft Diameter: 0.500 in. Distributor Gear Rotation: Standard Roll Pin Included: Yes Drilling Required: No Quantity: Sold individually Note: Not intended for extended street use. From street cruisers to Top Fuel dragsters, MSD's ignition systems have been the industry leader for over 40 years. MSD continues to push the envelope with cutting-edge ignition technology as well as intake manifolds and EFI systems.
