Richmond EXCel Ring & Pinion Gear Set, 3.89:1 Ratio 28-Spline Pinion. Suit Ford 9" (RIF9389)
EXCEL GEAR SET 9" FORD 3.89:1
28-Spline Pinion. Suit Ford 9"
Part Number: RIF9389
Richmond Gear EXCel ring and pinion sets are manufactured to meet the exacting specifications required by Richmond Gear. The design, tooling, steel selection, and heat-treat recipes are all controlled by Richmond Gear to produce cost-alternative ring and pinion sets. The Richmond Gear EXCel ring and pinion sets offer exceptional value with better-than-OEM quality. Available in a wide variety of gear ratios, the Richmond Gear EXCel ring and pinion sets will give you maximum confidence in your differential.
Specifications: Material: 8620 Steel
Gear Ratio: 3.89:1
Fitment: Ford 9"
Pinion Shaft Diameter: 1.313"
Pinion Spline: 28-Spline
Pinion Gear Tooth Count: 9
Ring Gear Tooth Count: 35
Ring Gear Bolt Quantity: 10