ARP 154-3603 Head Bolt Kit for SB FORD 351W ymm_37 enhancing the overall acoustic experience

enhancing the overall acoustic experience when combined with an Akrapovič exhaust system

It is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants

Material: 8740 Chromoly

Additional visual upgrades include optional carbon fibre diffusers and mirror caps

ARP 154-3603 Head Bolt Kit for SB FORD 351W ymm_37 enhancing the overall acoustic experienceHigh Performance Series Hex Cylinder Head Bolt Kit by ARP. High Performance head bolts are available with a reduced wrenching hex or 12 point and wide area flanged head that eliminates the need for valve train removal to facilitate cylinder head retorquing. All High Performance Series bolts are 180,000 psi (which is 15% stronger than Grade 8) and kits come complete with hardened parallel ground washers Specifications Socket Size(s) 9 16 hex Finish: