Collection: GMC Remanufactured Cylinder Heads

Shop GMC remanufactured cylinder heads built to meet or exceed OEM specifications. Each rebuilt GMC cylinder head is cleaned, inspected, resurfaced, and pressure-tested for reliability and proper sealing. Included components may feature camshafts, intake and exhaust valves, seats, guides, springs, and valve stem seals (as listed per product). Browse by engine size and casting number to find the right GMC replacement cylinder head—sold single or in pairs depending on the listing.