ARP 100-7531 12pt Valve Cover Bolt Kit | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

2001-2004 GM 6.6L Duramax ARP 12pt Valve Cover Bolt Kit Features: - Each and every Stud is placed on a rack and heat treated to 200,000 PSI - Following the heat treatment, each stud is centerless ground to make it as close to perfectly concentric as possible - Gaskets and cylinder heads literally glide into position and align perfectly - Thread rolled after heat treat, which gives them about 1000% better fatigue strength than studs that are thread rolled prior to heat treat The 2001-2004 GM 6.6L Duramax ARP 12pt Valve Cover Bolt Kit are Heat-Treated and Thread Rolled Afterwards Replacing your head studs on your 2001-2004 GM 6.6L Duramax is made easy with the 2001-2004 GM 6.6L Duramax ARP 12pt Valve Cover Bolt Kit. Each of the studs in this kit are heat-treated to 200,000 PSI and then centerless ground to make it as close to perfectly concentric as possible. All of the components in this kit are masterfully crafted including the gaskets and cylinder heads that slide into place with ease. Different than other head studs, these ARP studs are thread rolled after heat treatment, which give them 1000% better fatigue strength than those heat treated beforehand. Fitment: 2001, 2002, 2003, 2004 GM 6.6L Duramax