KB Transmission&Auto LLC

06/29/2026

A transbrake turbo 400 for a turbo LS s10 has been successfully completed. This type of transmission has been popular lately. The Automatic Transmission Design valvebody is a proven design.

02/26/2026

Now offering torque converter clutch apply regulation on our constant pressure forward manual valvebodys.

01/16/2026

Phone line is down
Will update when brightspeed gets it repaired.

12/24/2025

We're taking a brief winter break from December 24th to January 4th and reopening on January 5th.

11/14/2025

10r80 finished for Friday.

11/13/2025

10r80 in for repair.
Sonnax zip kit to keep the valvebody under control.

11/09/2025

10/17/2025

RARE opportunity, we have a 6l80e in stock for a 2014+ 4wd GM vehicle. (Yukon/suburban/Tahoe/sierra/Silverado).Upgraded internal parts from Sonnax and SUPERIOR TRANSMISSION PARTS, INC.

10/17/2025

Constant pressure fmvb mid assembley for Westra Transmission & Fab .

10/08/2025

Explore the cutting-edge transmission innovations available on our website. Stay ahead of the curve and ensure your transmission doesn't end up looking like this.