Drivetrain› Differentials and Rear-End Components

Richmond Gear/Motive Gear

Differential Ring and Pinion

$223.99

SKU: R01O 12BT308

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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 Richmond Gear 12BT308 is a differential ring and pinion gear set. This set features an 8.875-inch ring gear diameter and a 3.08:1 gear ratio. It is constructed from 8620 steel for durability. The pinion has 30 splines and 13 teeth, while the ring gear has 40 teeth. This 12-bolt set is designed for GM truck applications.

Fitment

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Specifications

BrandRichmond Gear/Motive Gear
Part NumberR01O 12BT308

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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