10B85390R - 10 Bolt 8.5 3.90 P/S Gear -- Richmond Gear

  • Part # 10B85390R - 10 Bolt 8.5 3.90 P/S Gear -- Richmond Gear
  • Richmond.Gear.DD.jpg

10B85390R

SAME DAY SHIPPING (if ordered before 2pm EST)

$240.00

Rear End Type: 10-Bolt

Ring Gear Diameter: 8.5" & 8.625"

Ratio: 3.90:1

Material: 8620

Mfg #: 49-0034-1

Pinion: 30 Spline

Teeth: 39-10

Pro/Street Richmond Performance Gear Line



Richmond is the leading manufacturer of professional quality hi-performance ring and pinion sets. For over 80 years, the Double Diamond has signified the highest quality gears in the racing industry!



The superior quality of Richmond Performance Products is a result of continual research and development, outstanding design and state-of-the-art manufacturing. Extensive testing is performed on all Richmond products. Engineered to perform faster and more reliable, our products are winners both at the Daytona 500 and U.S. Nationals for decades!