RWA 1585-23 2.3 Head stud kit
- ARP Head stud kit 2.3.
- ARP head studs or main stud kits give positive location and less block distortion when the cylinder head or main caps are torqued into place. 10 studs, washers, nuts.
- RWA1585-23 ARP head stud kit is the way to go on high stressed engines. All kits come with hardened parallel-ground washers and high quality nuts. The studs are manufactured from 8740 chrome moly steel, heat treated in house to 190,000 psi tensile strength and precision J-form threads rolled after heat treating to create a fastener that has threads 2000% stronger than others.