Product Application: 2001 to 2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM 2500/3500 and Kodiak/Topkick C4500/5500
Brand: Automotive Racing Products
FAQ: What is the Diameter of these ARP Pro Series Head Studs? These Pro series cylinder head studs from ARP are 12 Millimeters in Diameter, The Studs are cold-forged and heat-treated prior to thread rolling and machining and are rated at a whopping 220,000 psi.
Part Number: 230-4201
Product Note: The installation of the ARP Duramax Head studs ensures your cylinder head and gaskets will stay in place when increased power levels are achieved in your diesel engine.