MSD's iron distributor gear for the Ford 351W is machined from a proprietary ductile iron alloy and treated with a low-friction coating process for long life, an easy break-in period, and reliable performance.
Specifications:
- Fitment: Ford 351W
- Material: Proprietary formulated ductile iron
- Coating: Melonite QPQ, reduces friction and initial wear
- Gear I.D.: .531 in.
- Surface: Micro polished for smooth contact
- Hardness: Increased outer hardened layer thickness (RC 55-60)
- Warranty: Manufacturer's Limited 1-Year Warranty
- Part Number: 85852
FAQ
What engine is the MSD 85852 gear designed for?
It is designed for the Ford 351W.
What is the gear I.D.?
The gear I.D. is .531 in.
What coating is applied to the MSD 85852?
It receives a Melonite QPQ coating to reduce friction and initial wear.

