Richmond 3.89 Ratio Differential Ring and Pinion for 9 (Inch) (Dropout)

3.89 Ratio Differential Ring and Pinion for 9 (Inch) (Dropout)

Richmond Gear ring and pinions are perfect for any vehicle where performance and durability matters. Made from first-run steel, never recycled material, Richmond ring and pinions handle the extreme torque from high horsepower engines. Extensive engineering, computer controlled heat treatment, superior strength, quality and the widest selection of racing gear ratios available, make Richmond Gear the clear winner! Winners Run Richmond.

Specifications

Cover Bolt Quantity: Dropout

Differential Case Design Type: Ford 9

Pinion Gear Tooth Quantity: 9

Pinion Shaft Diameter: 1.313 (Inch)

Pinion Spline Count: 28

Ring & Pinion Gear Ratio: 3.89

Ring Gear Bolt Quantity: 10

Ring Gear Diameter: 9 (Inch)

Ring Gear Material: 8620 Steel

Ring Gear Rotation: Standard

Ring Gear Tooth Quantity: 35

Taxonomy A: Differential LD

Taxonomy B: Ring and Pinion

Taxonomy C: Ford 9