Drivetrain› Differentials and Rear-End Components

Richmond Gear/Motive Gear

SPRTMAN GM 10B 7-1/2

$250.74

SKU: R01O SGM7508

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Motive Gear Differential Ring and Pinion is a performance gear set designed for various GM 7.5", 7.6" IFS, and 7.625" differentials. This set features a 4.10 gear ratio and is constructed from durable 8620 steel for the ring gear.

It includes 10 cover bolts and 10 ring gear bolts. The differential carrier break is for ratios of 3.23 and numerically higher, and it requires a carrier with that specification. The pinion has 10 teeth and a 1.438" diameter with 27 splines. The ring gear has 41 teeth and an outside diameter of 7.5 inches, with standard rotation.

Fitment

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Specifications

BrandRichmond Gear/Motive Gear
Part NumberR01O SGM7508

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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