GM 8.5 10 Blt 3.90 Standard Gear Set Richmond Gear – Produced in Italy

Standard Gears are the perfect choice for replacement of OEM gear sets
Providing long service life in Street, Street / Track, & Oval track vehicles

These gears can also be used in some Drag Race cars depending on weight & power
If tooth breakage occurs, then a larger rear end will become necessary

Designed For 2.73 & Numerically Higher Carriers

Machined From 8620 Forged Steel
Heat Treated to Maximize Gear Life
Matched Ring & Pinion Set

Ring Gear
– 8.5″ OD
– Tooth count 39
– 10 bolt holes
– 7/16″-20 LH threads

Pinion
– 30 spline shaft
– Tooth count 10
– 7/8″-14 RH threads

Unsure about your application?
Please contact a Strange Sales Associate to discuss your vehicle

 
Related Components

Complete installation kit – Using 28 spline axles……………. R5205
Complete installation kit – Using 30 or 33 spline axles… R5205-SP
Basic installation kit – No bearings………………………………… R5204
Ring gear spacer with bolts …………………………………………… R5202