6L80E - 6L90E Stage 1

Starting at $4,800

4L60E - 700R4 Stage 2

Starting at $3,800

Click for parts breakdown

  8L90 Stage 2 

Starting at $

47RE - 48RE Stage 1 400HP

Starting at $5,200

68RFE 750HP Stage 2 with Randy's Transmission Rebuild Kit

Starting at $9,500

6L80E - 6L90E Stage 3

Starting at $

4L80E Stage 1 with TransGo Performance Reprogramming Kit

Starting at $3,200

10R80 Stage 2 725HP with SUNCOAST Transmission Rebuild Kit & HD Torque Converter

Starting at $7,700

Click for parts breakdown

 68RFE 500HP Stage 1

Starting at $6,500

4L80 Stage 1 with McLeod by Raybestos Performance Transmission Rebuild Kit

Starting at $

47RE - 48RE Stage 2 650HP with Randy's Transmission Rebuild Kit

Starting at $6,500

6R140 Stage 2 800HP with Randy's Transmission Rebuild Kit

Starting at $,

 40K TRU-COOL by DANA Transmission Cooler

Drive Hard. Rest Easy. Get longer life from your transmission. Tru-Cool transmission oil coolers help maintain lower operating temperatures, significantly extending the lives of both your lubricant and your transmission. 

Starting at $450

40K MISHIMOTO  Transmission Cooler

Perfect for Towing, Off-Roading, & Racing. Backed by MISHIMOTO's Lifetime Warranty*

Starting at $499

FLUIDYNE / Randy's Transmission Cooler

94-02 CUMMINS 47RH/RE

Up to 20° Lower Temps

Randy's Transmission Limited Lifetime Warranty*

Starting at $650

 FLUIDYNE / Randy's Transmission Cooler

3RD GEN 03-09 CUMMINS

48RE/68RFE

LINE KIT REQUIRED FOR THIS ITEM ADDITIONAL COST*

Starting at $980

40K MISHIMOTO  Transmission Cooler

Perfect for Towing, Off-Roading, & Racing. Backed by MISHIMOTO's Lifetime Warranty*

Starting at $499

FLUIDYNE / Randy's Transmission Cooler

94-02 CUMMINS 47RH/RE

Up to 20° Lower Temps

Randy's Transmission Limited Lifetime Warranty*

Starting at $650