Stage 1 450hp max
* Sonnax heavy duty direct drum piston* Single disk billet Torque Converter* GPZ or equivalent clutches and steels* Power-packed overdrive* High pressure valve body* Billet band ...
Our most popular 47/48build, Stage 2 650hp max
* Our most popular build* GPZ or equivalent Clutches, New steels* Power-packed overdrive with custom pressure plate* Power-packed Direct Drum with cu...
Stage 3 1,000HP Max
GPZ or equivalent Clutches, New kolene steel
Power-packed overdrive with custom pressure plate
Power-packed Direct Drum with custom pressure plate
Sonnax super servo, Billet b...
Stage 4 1,000HP+ With Sonnax Oversized Input Shaft
GPZ or equivalent Clutches, New kolene steels
Power-packed overdrive with custom pressure plate
TCS Billet direct drum with powerpack
TCS ...
48RE Stage 1 Transmission - 400HP Max
Sonnax or equivalent heavy duty direct drum piston
Single disk billet Torque Converter
GPZ or equivalent clutches and steels
Power-packed overdrive
High press...
The Stage 2 48RE transmission is the most popular build for the 03-07 5.9 Cummins trucks; rated for up to 650 horsepower. This transmission is built with heavy-duty components, including a billet ...
The Stage 3 48RE transmission is a beast of a build for the 03-07 5.9 Cummins trucks; rated for up to 1000 horsepower.
GPZ or equivalent Clutches, New kolene steels
Power-packed overdrive with cu...
The valve body is flat sanded to our tolerances. We install HD billet accumulators proven to prevent bore wear and provides unsurpassed sealing qualities. Sonnax accumulator plate cover with 3 add...
