Best selling products

2011-2019 Powerstroke 6.7L 6R140 Randy's Heavy Duty Captured Clutch Torque Converter Quad Disc (RT-6R140-TC)

2017-2019 Powerstroke 6.7L 6R140 Randy's Transmission Stage 2 800HP (865567123)

2011-2019 Powerstroke 6.7L 6R140 Big Daddy Build Stage 3 1000HP (411361089)

2011-2016 Powerstroke 6.7L 6R140 Randy's Transmission (411361088)

2003-2010 Powerstroke 6.0L/6.4L 5R110W Randy's Five R Triple Disc Toque Converter (RT-5R110-TC)

2003-2010 Powerstroke 6.0L/6.4L 5R110W Randy's Transmission Stage 3 900HP (411265086)

2003-2010 Powerstroke 6.0/6.4L 5R110W Randy's Stage 2 Transmission 650HP (411265085)

2003-2010 Powerstroke 6.0L/6.4L 5R110W Randy's Stage 1 Transmission 500HP (411265084)

2020+ Duramax L5P Allison Randy's King Kong 10L1000 Transmission 750HP (RT10L1000KK)

2001-2016 Duramax 6.6L Allison Triple Disc Toque Converter (RT-A1000-TC)

2001-2019 Duramax 6.6L Allison 1000 Randy's Transmission Stage 4 900+ HP (311241035)

2001-2019 Duramax 6.6L Allison 1000 Randy's Transmission Stage 3 900HP (311241033)

2001-2019 Duramax 6.6L Allison 1000 Randy's Transmission Stage 2 725HP (311241031)

2001-2010 Duramax 6.6L Allison 1000 Randy's Transmission Stage 1 500HP (311241030)

2019+ Cummins 6.7L 68RFE Stage 4 Extreme Transmission (201968RFEST4)

2019+ Cummins 6.7L AISIN AS69RC Randy's Big Poppa Transmission 800HP (AS69RC2019)

2019+ Cummins 6.7L 68RFE Transmission Stage 1 (68RFE12019)

2019+ Cummins 6.7L 68RFE Transmission Stage 3 (68RFE20193RT)

2019+ Cummins 6.7L 68RFE Randy's Transmission Stage 2 (68RFE20192RT)

2019+ Cummins 6.7L 68RFE Babymaker 2000 Valve Body (BM2000)

2013-2018 Cummins 6.7L AISIN AS69RC Randy's Quad Disc Billet Converter (RT-AS69-TC)

2013-2018 Cummins 6.7L AISIN AS69RC Randy's Stage 2 Transmission (211385103)

2010-2012 Cummins 6.7L 4" Stainless Steel Turbo Back Race Exhaust System No Muffler (FLO-SS1849)

2013-2018 Cummins 6.7L AISIN AS69RC Randy's Transmission Stage 1 600HP (211385102)