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) These up-pipes are compatible with

These up-pipes are compatible with stock EGT (Exhaust Gas Temperature) and EBP (Exhaust Back Pressure) sensors

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

Not recommended in frequent or heavy towing applications

otherwise stated

For the 230-4201 Head Studs

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) These up-pipes are compatible withThe 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