ARP Head Stud Kit ARP2000 Pro Series Nissan RB25 202-4309

Welcome to Terra Firma Automotive, your premier destination for high-performance parts. Introducing the ARP Head Stud Kit ARP2000 Pro Series for Nissan RB25, part number 202-4309. Trusted by top professional engine builders worldwide, ARP Pro Series head studs are the ultimate choice for all-out competition powerplants. Crafted with precision, each Pro Series bolt undergoes cold-forging to ensure unmatched molecular integrity. Prior to thread rolling and machining, they are heat-treated for exceptional strength, boasting a nominal rating of 200,000 psi. These fasteners are specially designed for competition-only components, meeting ARP's stringent "ZERO defect – ZERO failure" quality standard. With hardened and parallel-ground washers included, you'll experience even load distribution and accurate torque readings. The reduced wrenching hex or 12-point head, along with the wide area flange, eliminates the need for valve train removal during cylinder head retorquing, accommodating larger