BD DIESEL 1062036 68RFE BIG STACK OVERDRIVE SHAFT & DRUM KIT FOR DODGE RAM 2007.5–2022 6.7L CUMMINS

Product Description

The BD DIESEL 1062036 68RFE Big Stack Overdrive Shaft & Drum Kit is a hard-parts upgrade built for 2007.5–2022 Dodge Ram 6.7L Cummins trucks running the 68RFE automatic. If you tow heavy, run added power, or are rebuilding for long-term reliability, this kit targets a major weak point in the 68RFE: overdrive clutch capacity and component deflection under load.

BD Diesel 1062036, 68RFE big stack kit, overdrive shaft and drum kit, Dodge Ram 6.7 Cummins 68RFE, billet overdrive shaft spline, QT100 reaction plates, increased overdrive clutch capacity, towing transmission upgrade, 68RFE rebuild parts

This Big Stack design is based on BD’s proven 68RFE build strategy, featuring upgraded overdrive shaft spline geometry and high-strength reaction plates designed to reduce deflection and support more uniform clutch engagement. The result is stronger overdrive holding power, improved durability, and a more confident transmission setup for real-world towing and performance use.

Fitment

• 2007.5–2022 Dodge Ram 2500 / 3500 – 6.7L Cummins – Equipped with 68RFE

Fitment Note: This kit is intended for trucks equipped with the 68RFE automatic transmission. Confirm transmission model before ordering.

Cross-Reference / Compatible BD DIESEL Products

• BD DIESEL 1062023 BUILD-IT 68RFE TRANSMISSION KIT (STAGE 3) – 2007.5–2018
• BD DIESEL 1062025 BUILD-IT 68RFE TRANSMISSION KIT (STAGE 4 MASTER) – 2007.5–2018
• BD DIESEL 1062027 BUILD-IT 68RFE TRANSMISSION KIT (2019+ STAGE 3 MASTER) – 2019+

FAQ

What does this kit improve in the 68RFE?

It focuses on strengthening overdrive hard parts and supporting higher clutch holding capability in the overdrive section—critical for towing and higher torque loads.

Is this a good upgrade during a rebuild?

Yes. This is an ideal “while you’re in there” upgrade when rebuilding a 68RFE, especially if the truck works hard or has power added.

Does this kit include clutches?

This kit is primarily a hard-parts upgrade; clutch/friction requirements can vary by build plan. Match supporting components to your intended use and build level.

Specifications for BD DIESEL PRODUCTS 1062036