ARP - Hex Head Bolt Set - Fits Holden / Chev / GM - LS Series engines (2003 & Earlier)

High Performance Series

hi gh Performance Head Bolts Are Available With A Reduced Wrenc hing Hex Or 12-point And Wide Area Flanged Head That Elimina tes The Need For Valve Train R emoval To Facilitate Cylinder Head Retorquing. All High Perf ormance Series Bolts Are 180,0 00 Psi (which Is 15% Stronger Than Grade 8) And Kits Come Co mplete With Hardened Parallel- ground Washers.