KS Performance & Repair LLC

03/06/2026

Another 850 Series 68RFE build that went out to Ridgetop Diesel.

This unit is packed with serious upgrades, including:

• Sonnax billet input shaft
• Sonnax Smart-Tech drum stacked with a custom 18-clutch O/D pack
• Billet O/D hub
• Goerend billet steel 2-4 housing allowing added clutches in the 4C clutch
• DNJ billet pump and valve body channel plate
• Goerend billet triple-disc torque converter

Built to handle serious power — up to 850HP.

When the power goes up, the weak link usually shows itself… and on many trucks, that weak link is the transmission.

If your 68RFE is slipping, failing, or you’re planning a higher horsepower build, let’s talk.

Goerend Transmission Inc. Sonnax DNJ Components Performance Transmission Products LLC

12/25/2025

🎄 Merry Christmas!!🎄

We’re thankful for all of our customers, supporters, and friends who make what we do possible. Wishing you and your families a safe, happy, and horsepower-filled holiday season! 🇺🇸💚

11/27/2025

Happy Thanksgiving!

08/20/2025

Your 6.7L Cummins deserves optimal performance, so why compromise with low-quality injectors that can potentially harm your engine? If your truck is experiencing signs of failing injectors or if you would like to install larger injectors, contact us today to explore how we can provide a solution with top-tier injectors from Flux Diesel that excel in performance and longevity.

Flux Diesel Injection 🇺🇸

07/04/2025

🇺🇸 Happy 4th of July! 🇺🇸

Gimme Fuel got its new look! And man did it turn out awesome. Thank you Harmony Window Films & Graphics for getting this wrap done!

Video Credit: Mikal Sauer

FASS Fuel Systems Flux Diesel Injection Hot Shot's Secret

07/02/2025

We will be closed on July 3rd and 4th.

05/31/2025

Come check us out tonight at the Thorp Dairy Days Shootout pull! The fun starts at 5:00.

04/20/2025

04/01/2025

03/28/2025

Thank you Nick Blair for trusting us to build you our Tow/Haul Series 68RFE transmission. Enjoy having all 6 gears again! 😎