Ford Steel Distributor Gear

Replacement for carbureted Ford distributors with .048" ID and MSD Distributors, PN's 8582, 8579, 8479, 8352 and 8503.

PART# 85833

Suggested Retail: $86.08
Your Price:$77.47
Free Shipping on orders over $100*


A distributor’s performance is only as good as its drive gear. MSD Performance has put a great deal of effort into researching and testing a variety of metallurgical compositions, heat treating and coatings to provide you with a durable, accurate and strong distributor gear. MSD engineers have built test fixtures and spent hundreds of hours testing and evaluating the metallurgy of our gears. The result is a special alloy gear that is treated to a low-friction coating process. To you this means long life, an easy break-in period and reliable performance!


  • Increased outer hardened layer thickness (RC 55-60) .
  • Micro polished surface for smooth contact.
  • Melonite QPQ coated reduces friction and initial wear.
  • Interstitial carbide concentration improves wear resistance and


Emission Code1

Tech Resources


This part is legal for use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it has a California Air Resources Board Executive Order number or is a direct or consolidated replacement part.

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle
*Free Shipping & Handling only offered to the continental US on orders over $100.