ARP 134-3609 - LS1 Head Bolt Kit 1997-2003

Premium 8740 Grade Chrome Moly Material 6-Point Head Bolt Kit. Fits 1997 thru 2003 GEN 3 LS engines, also known as the "1st Design" head bolt. Fits all LS series engines 4.8L,5.3L, 5.7L, and 6.0L engines built from 1997-03. 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 a reduced wrenching hex head or 12-point head that help eliminate the need for valvetrain removal when re-torquing cylinder heads.