Richmond Gear EXCel Ring and Pinion Sets 12BT456T GM 8.875 in. (12-bolt) truck 4.56 Gears

Upgrade your GM truck’s rear end with high-quality performance and reliability built into every gear set. The EXCel 12BT456T from Richmond Gear is designed for the 8.875″ (12-bolt) GM truck differential, delivering a 4.56:1 gear ratio—ideal for enhanced acceleration, stronger towing capabilities and improved throttle response.

Why this gear set stands out:

Precision-engineered for generational use – Built for 8.875″ 12-bolt GM trucks, this ring & pinion set aligns with OEM geometry for superior performance.

4.56 gear ratio – Offers a notable boost in low-end power and acceleration while maintaining highway drivability. 

Heavy-duty build – Manufactured with premium steel and heat treatment, engineered to handle everyday driving, hauling and even moderate performance use.

Plug-and-play form factor – Designed for factory 12-bolt GM truck cases, keeping installation simpler and reducing the need for other modifications.

Trusted brand heritage – Richmond Gear has a strong reputation in the differential gear aftermarket for quality and reliability.

Final Pitch:

If you’re ready to upgrade your GM truck differential with a gear set that offers performance, durability and a direct-fit solution, the Richmond Gear EXCel 12BT456T is a smart choice. Whether you’re hauling gear, towing trailers or simply want stronger off-the-line performance, this gear set delivers the goods. Add it to your build and feel the difference.