Pay in 4 interest-free payments of $374.88 Learn more
Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
GM Duramax
4L 4" Downpipe Back Exhaust w/ Muffler (421006)
Due to expansion and contraction
and North American standards
Has the fastest scanning
2007.5-2018 Cummins 6.7L 24V PML Engines Cylinder Head (CH67C-075-18) 1990 GM Duramax2007. 5 2018 Cummins 6. 7L 24V PML Engines Cylinder Head (CH67C 075 18) Each PowerHouse cylinder head undergoes a thorough remanufacturing process, including precision machining, pressure testing, and meticulous inspection. Rebuilt using high quality components, our cylinder heads are designed to withstand extreme conditions and deliver superior durability. Whether you're looking to restore your engine's performance or upgrade to a more powerful