2003-2007 Cummins 5.9L 48RE Randy's Transmission Stage 1 400HP (211265009)Sonnax or equivalent heavy duty direct drum piston Single disc billet Torque Converter GPZ or equivalent clutches and steels Power packed overdrive High pressure valve body Billet band strut Billet Accumulator HD Flexband Borg Warner Governor pressure solenoid High pressure transducer

making them the fastest responding wideband air/fuel ratio controllers in independent testing*

Remanufactured injector set

and injector opening pressure set to 245 BAR by a qualified professional

2017-2023 Duramax L5P 4" Cat & DPF Race Pipe w/ Muffler (431023)

you need to replace your head bolts with upgraded head studs

NOTE: Cam Motion 3-bolt LT camshaft have a

7L Common Rail Injector for Cab Chassis

Smooth mandrel bends improve exhaust gas flow - tubing ID is not compromised

1998-2002 Cummins 5

or head bolts or head studs for those that already have them

PML Engines oil pumps deliver reliable performance in every application

Driven Racing Oil GP-1 20W-50 Synthetic Blend High Performance Oil 1 Gallon (19508)