2007-2013 GM Gen IV LS PML Reman Crate Engine

the film strength is not adequate to keep the tappet and the cam separated

and feature a standard shot peened finish to reduce stress risers

feel responsive

Unlike factory parts

and fully calibrated and tested to ensure perfect operation

replaced the bearings in the center section to the upgraded 360 thrust washer

Manufacturer's Part Number: S42140

4L Dynomite Diesel Injectors 50HP 15% Over (DDP64-50)

or other OE style turbos

This is an easy install and is pre-set/ calibrated to provide 50% more turbo boost on the initial acceleration

4L 4" Downpipe Back Exhaust No Muffler (421007)

Versatile Fit: