ARP High Performance Head Studs Kit

 

 

 

B16 B16A B16A2 B17 B18 B18C B18C1 B18C5  B20 B20B H22 H22A H22A4 H23 F20 F20B

 

Exact tolerances ensure that gaskets and cylinder heads just glide into position and align perfectly. These ARP Head Studs U/Cut (Under Cut) include 12-point nuts and are manufactured by ARP from premium 8740 chrome moly steel and heat treated to 190,000 psi. They are thread rolled after the heat treating process, which vastly improves their fatigue tolerance compared to studs threaded before heat treatment. High-quality, parallel ground