Prices Garage

03/23/2026

03/02/2026

Custom built a GM 4L80 for a big block Silverado, enhancing its heavy-duty factory features to meet the customer's requirements. Upgrades from Sonnax and TransGo and custom build techniques from our expert transmission technician will ensure this unit will be reliable and a major upgrade over the antiquated 3-speed transmission it is replacing.

02/26/2026

To achieve accurate clearances during 4L80 enplay setup, the Sonnax bearing and shim kit is a beneficial upgrade, providing simplified adjustment and decreased heat and wear.

02/23/2026

Heavy duty E4OD build for a big block Ford truck.

02/21/2026

High pressure fuel pump replacement on a late model Silverado.

02/18/2026

The valve body in an automatic transmission regulates all hydraulic functions. For performance or heavy-duty applications, specific modifications are made to prevent clutch slippage, reduce heat generation, and minimize wear. This Ford E40D transmission will be upgraded with Sonnax springs to enhance shift firmness under load. Sonnax

02/18/2026

Couple of classic transmissions we rebuilt

01/31/2026

Our custom-built transmissions cater to specific customer needs, often aligning with manufacturer specifications to ensure peak performance. However, in high-stress applications, the original equipment design can be lacking, requiring specialized parts and construction methods to ensure transmission longevity.

01/30/2026

We also rebuild transfer cases . This unit going in a late model Chevrolet Silverado.

01/17/2026

An automatic transmission has always been considered a complex part of a vehicle. Our specialists focus on transmission repair and remain current with the latest technologies and best practices to ensure precise and effective fixes.

11/24/2025

The 4L80E is ready for installation in a Chevrolet 3500. As GM's heavy-duty automatic transmission, the 4L80E was utilized in 3/4 ton trucks from the 1990s to the mid-2000s. Despite its heavy-duty design, the 4L80E often worked under intense conditions. Therefore, our heavy-duty rebuilds incorporate numerous upgrades to address potential weaknesses that could lead to future failures.