Matching the distributor gear to the camshaft material is critical to avoiding premature gear or cam failure. This MSD Pro-Billet distributor for small block Ford applications comes with a steel gear pre-installed and ready for hydraulic roller cams.
Specifications:
- Category: Ignition
- Color: Black
- Distributor Type: Magnetic Pickup
- Engine: Ford Small Block
- Gear Material: Steel, Melonized QPQ Coated
- Product Type: Distributor
- Sub Category: Distributor and Magneto
- Part Number: 857951
CNC-machined billet aluminum housing and base, with an easy-to-adjust mechanical advance (springs and stop bushings included) that can be locked out for crank trigger systems. Requires MSD 6, 7, or 8 Series Ignition; refer to MSD's Gear Lube Addendum for maintenance.
FAQ
What cam type is this distributor's gear designed for?
Hydraulic roller camshafts — it ships with a steel gear installed.
What ignition box does this distributor require?
An MSD 6, 7, or 8 Series Ignition.
Can the mechanical advance be locked out?
Yes, the advance assembly can be locked out for use with crank trigger systems.
What color is this distributor's cap?
Black, in a small-cap configuration.

