MSD Ignition Distributor Drive Gear (MPN: 85813)

Durable drive gear for Ford 351C and 460 engines with hydraulic roller cam.

The MSD Ignition Distributor Drive Gear is engineered for use with Ford 351C and 460 cubic inch engines equipped with hydraulic roller cams. This drive gear is constructed from a proprietary formulated ductile iron, ensuring enhanced durability and performance. The gear features an increased outer hardened layer thickness and a micro polished surface, which facilitates smooth contact and reduces friction during operation.

MSD engineers have invested significant time in testing various metallurgical compositions and heat treatments to develop a gear that offers long life and reliable performance. The Melonite QPQ coating applied to the gear minimizes initial wear and friction, contributing to an easy break-in period. Additionally, the interstitial carbide concentration within the gear improves wear resistance and overall running properties, making it a robust choice for high-performance applications.

This drive gear is designed for standard rotation and has a shaft diameter of 0.531 inches, making it compatible with a range of Ford engines. With its advanced engineering and quality materials, the MSD Ignition Distributor Drive Gear is a critical component for maintaining optimal ignition performance.

Features

• Increased Outer Hardened Layer Thickness
• Micro Polished Surface For Smooth Contact
• Proprietary Formulated Ductile Iron
• Melonite QPQ Coated Reduces Friction And Initial Wear
• Interstitial Carbide Concentration Improves Wear Resistance And Running Properties

Specifications

• Manufacturer: MSD Ignition
• Manufacturer Part Number: 85813
• Compatibility: Ford 351C/ 460 Cubic Inch Engines With Hydraulic Roller Cam
• Material: Steel
• Rotation: Standard
• Shaft Diameter (IN): 0.531 Inch

Compatibility / Fit

• 1900-1900 Ford 351C/ 351M/ 400M
• 1900-1900 Ford 429-460

Technical Documents

• 85813_add.pdf