Pro-Billet Distributor, Small Red Cap, Steel Gear — Ford 289-302

Machined billet. Roller cam gear already in it. Ford distributor gears are a pressed fit. Changing one normally means cross-drilling the shaft and setting gear height exactly - the kind of job that turns a weekend install into a shop appointment. Here the steel gear is on; set; and ready for a hydraulic roller camshaft. One part number covers the distributor and the gear; so there is one less thing to source and one less thing to get wrong. The rest is CNC machined billet; a polished QPQ-coated shaft on a sealed ball bearing; and a timing curve you set yourself.

  • Gear work already done - no cross-drilling; no gear-height setup; no machine shop trip.
  • Roller cam matched - Melonized QPQ steel gear for hydraulic roller camshafts.
  • One part number - distributor and roller-cam gear sourced together.
  • Small diameter cap - keeps the back of the intake tidy.
  • Your curve - springs and stop bushings supplied; locks out for a crank trigger.

Install Level: Intermediate - distributor swap; timing must be set

Steel gear is installed and set from the factory.
MSD is direct about it: matching gear material to cam material protects the camshaft; a mismatch can lead to engine damage.
Requires an MSD 6; 7 or 8 Series ignition control - sold separately.
Cap is listed red in the spec table.
Ignition coil not included.

MSD
SKU: 85791 ISBN:
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Pro-Billet Distributor, Small Red Cap, Steel Gear — Ford 289-302
$507.95
Overview
Specifications
Tech Resources
Compatibility

Machined billet. Roller cam gear already in it.

A Pro-Billet small diameter distributor for Ford 289-302 with the steel gear pressed on and set at the factory, under a small red cap. Requires an MSD 6, 7, or 8 Series ignition control.

The gear is already handled. Ford distributor gears are a pressed fit that normally require cross-drilling the shaft and setting the gear to a specific height — the kind of job that turns a weekend install into a shop appointment. Here the steel gear is on, set, and ready for a hydraulic roller camshaft.

One part number covers the distributor and the roller-cam gear, so there is one less thing to source and one less thing to get wrong. MSD is direct about why it matters: gear-to-cam material matching is what protects the camshaft, and a mismatch can lead to engine damage.

The rest is machined billet. CNC machined billet aluminum housing and base, with the shaft polished, QPQ coated, and carried on a sealed ball bearing. The timing curve is yours to set with supplied springs and stop bushings, and the advance locks out if you move to a crank trigger.

What's In the Box

The distributor and what ships with it:

  • x1 Pro-Billet Small Diameter Distributor — CNC Billet Housing and Base
  • x1 Distributor Cap — Small Diameter, listed red in the spec table
  • x1 Rotor
  • x1 Steel Gear, Melonized QPQ Coated, Installed
  • Advance Springs and Stop Bushings
  • Not included: ignition coil, MSD ignition control
  • Fits: Ford Small Block 289-302.
  • Requires: an MSD 6, 7, or 8 Series ignition control, sold separately.
  • Gear: Steel, Melonized QPQ — for hydraulic roller cams. A flat tappet cam needs a different gear.
  • Color: Red per the spec table. Housing finish is not published.
  • Emissions: Code 3 — non-emissions-controlled vehicles only. Prop 65 warning.
MSD part number 85791
CNC machined billet aluminum housing and base
Small diameter cap - listed red in the spec table
Polished; QPQ-coated shaft on a sealed ball bearing
Steel gear - Melonized QPQ coated; installed and set
Adjustable mechanical advance; supplied springs and stop bushings
Advance locks out for crank trigger use
Includes: distributor; cap; rotor; installed steel gear; advance springs and stop bushings
Not included: ignition coil; MSD ignition control
Ford small block 289-302.
Hydraulic roller camshafts - steel gear installed.
Requires an MSD 6; 7 or 8 Series ignition control.

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