These ARP High Performance series head bolt kits are tough! They are rated at 180,000 psi--15 percent stronger than Grade 8 fasteners. They come available with hex heads or reduced wrenching 12-point heads that eliminate the need for valvetrain removal when re-torquing cylinder heads.
Designed for 1998-2003 Chevrolet 4.8, 5.3, 5.7, 6.0L, LS1, LS6 V8 style engines. LS1 and LS6 style cylinder heads.
Designed for 1998-2003 Chevrolet 4.8, 5.3, 5.7, 6.0L, LS1, LS6 V8 style engines. LS1 and LS6 style cylinder heads.
ARP stands behind their products indefinitely with respect to materials and workmanship. Automotive Racing Products would like to deal with the customer directly when they have a problem. Automotive Racing Products is interested in customer satisfaction and will make exceptions on an individual and case-by-case basis.