Richmond Gear EXCel Ring and Pinion Sets 12BT410 GM 8.875 in. (12-bolt) truck 4.10 Gears
SHIPPING - RETURNS - WARRANTY - CANCELLATION POLICY
*** Market Conditions after 2020 have changed the landscape of automotive parts. Although we try to stock 1000's of items in our multiple warehouse and use multiple distribution channels, having back-orders are unavoidable in today's market. If you are in need of a product quickly, we suggest email, message, or call us for availability so that we may explore your options.
Email: Sales@Speedzoneweb.com
Call: 407-846-8430
Text: 407-749-6314
Frequently Asked Questions
Upgrade your GM truck’s rear-end performance with the EXCel 12BT410 from Richmond Gear — engineered for the 8.875″ 12-bolt truck axle and built for drivers who expect strong reliability and smooth operation. With a 4.10:1 gear ratio, this ring and pinion set delivers enhanced acceleration, improved throttle response, and consistent durability whether you’re hauling, towing, or driving daily.
Why Choose This Gear Set
-
Precision engineered for direct fitment — Designed specifically for GM trucks with the 8.875″ (12-bolt) rear axle, so you maintain correct geometry and reliable operation.
-
4.10 gear ratio for improved driveability — This ratio strikes a balance between acceleration and highway cruising, giving you responsiveness without sacrificing comfort.
-
Built tough with quality materials — Manufactured to meet or exceed OEM standards to handle real-world loads and driving conditions
- Trusted brand & backed warranty — Richmond Gear’s EXCel line has a reputation for reliability and consistent performance.
What You’ll Get
-
Better off-the-line acceleration and stronger mid-range response.
-
A durable, value-packed upgrade that helps preserve differential health and functionality.
-
Confidence in driving—knowing you have a high-quality gear set behind you.
Final Pitch
If you’re looking to upgrade the rear-end of your GM 12-bolt truck with a gear set that offers both performance and reliability—look no further. The Richmond Gear EXCel 12BT410 allows you to unlock better responsiveness, maintain durability, and fit into your vehicle without unnecessary compromise. Add this gear set to your build and drive with confidence.
Our History
For 26 years Speedzone Performance LLC has been providing aftermarket car parts to Central Floridians and 1000's of customers online. What makes us different than all the other places online? We have 3 actual brick and mortar locations where were serve customers daily and find new ways to provide support and assistance to the automotive community at large. From our in house SPDZ1 Brand, to our constantly growing in stock inventory, we strive to make our customer service and ease of purchase stand out from the rest! We are also one of the largest automotive part financing providers anywhere in the United States, and continue to provide more options for our customers every year. We love what we do, and it shows in every product we sell and every new customer who becomes a part of our Speedzone Family.