2007.5-2024 Cummins Stage 1 68RFE DIY Transmission Kit (68RFEPNP-ST1)

Fits

IMPORTANT - YOU WILL NEED TRANSMISSION TUNING

Potentially the best plug & play DIY kit for your 68RFE on the market, every component comes pre-assembled, so all you have to do is gut your transmission, clean up the housing, swap seals, and install new parts! 

Part Number: 68RFEPNP-ST1

• 500HP Rated
• Built, spec’d & checked Underdrive/overdrive w/Stock Input
• Pre-built reverse drum, spec’d, checked, pressure tested
• 2C/4C clutch & steels. Clearance. Ready to install. No machining, no special tools.
• Transmission pump - spec’d, tested, ready to install
• Billet SFI Flexplate
• Babymaker 1000 or 2000 Assembled Valve body- ready to install
• New seal kit
• New sensors
• New filters
• Randy’s Dual Disc Converter
• Extra Capacity Deep Transmission pan
• Comes with ATSG Manual for all specs of assembly

THIS IS THE INFORMATION YOUR TUNER WILL NEED TO PROPERLY TUNE FOR THE BABYMAKER:

• Line Pressure set to 225PSI above 30% throttle angle
• 100PSI resting pressure
• No lock-up till 4th gear
• Low/Reverse Sprag holdout
• 2019+ underdrive pulse test must be turned off

•  Upgraded Sprag is recommended 
• 2013-2023 trucks ONLY have the option of adding a thermal bypass valve
• 2 cases of ATF is required for full fill

Click here to view installation instructions