2003-2007 Cummins 5.9L 48XHD Randy's Quad Disc Torque Converter 35 Spline (48XHD) Choose Your Stall Speed:High Stall - Street Track (2400-2600 RPM) 6L Duramax and contains the

6L Duramax and contains the components for both driver and passenger side cylinder heads

For the 230-4201 Head Studs

Not recommended in frequent or heavy towing applications

9L Automatic 235 HP New Stock Injector (0 432 193 630)

7L Monster-Ram Air Intake System (42797)

2003-2007 Cummins 5.9L 48XHD Randy's Quad Disc Torque Converter 35 Spline (48XHD) Choose Your Stall Speed:High Stall - Street Track (2400-2600 RPM) 6L Duramax and contains theThe 48XHD Quad Disc torque converter is specifically designed for higher horsepower trucks. It offers two stall options: Stock and High stalls. The Stock stall is great for everyday driving, while the High stall provides improved launch and acceleration for those seeking enhanced performance. It's a fantastic choice for truck enthusiasts looking to maximize their rigs power potential. Aggressive Lockup; for 800+HP Trucks Fits all years of 48RE