ARP 234-4345 Head Stud Kit for Gen III/IV LS Series small block (2004 & later) w/ all same length studs. ARP2000. 12pt ymm_1 and hardened washers

and hardened washers

3/4" NPT aluminum weld bung

Commercial Chassis 1992

This new geometry underlines its model-specific development and adds a bold

ARP 234-4345 Head Stud Kit for Gen III/IV LS Series small block (2004 & later) w/ all same length studs. ARP2000. 12pt ymm_1 and hardened washersIt is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all out competition powerplants. Simply stated, theres not a better stud setup on the market today. For openers, ARP uses a premium grade 8740 alloy that is rated far superior to aircraft quality. Each stud is placed vertically in special racks and precisely heat treated to 200, 000 psi. This procedure ensures complete heat