Duramax Injector Return Line Kit 2004.5 - 2010This kit includes the return adapters and o rings, adapter retaining clips, and a length of return line hose sufficient for either engine side

helping reduce the risk of head gasket failure under increased cylinder pressures

7mm Inducer - 83mm Turbine Wheel

providing extended coverage

V-Band Clamp 3

This complete unassembled short block package includes all the critical machined components and premium competition-grade parts required to build a durable

THIS IS JUST A CARTRIDGE

Fully CNC ported and polished LBZ/LMM Duramax cylinder heads

Every Premium Stock Plus cylinder head is professionally remanufactured using strict quality control standards

Coated H-Series main bearings

9L 12 Valve 2nd Gen

2003-2004 Powerstroke 6

Multi-angle valve job