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…