Pro Series Head Stud Kit

The ARP 202-4206 head stud kit is engineered for Nissan L24, L26, and L28 series engines, providing a robust solution for engine building and performance applications. Constructed from premium 8740 chrome moly material, these studs feature a durable black oxide finish. ARP's Pro Series studs are cold-forged for superior molecular integrity and then heat-treated prior to thread rolling and machining. This process significantly enhances fatigue strength, offering approximately 2000% greater resistance compared to standard threaded fasteners. The kit includes hardened parallel washers, which are essential for ensuring even load distribution across the cylinder head and achieving accurate torque readings. This kit is designed with a 12-point head style on the nuts, offering reliable and secure fastening. Each kit contains 14 studs, ensuring comprehensive coverage for the specified Nissan engines. The ARP 202-4206 kit is suitable for a range of applications including the Datsun 240Z, various Nissan Cedric and Gloria models, Nissan Skyline variants, and Nissan Patrols from the 1970s through to the early 2000s. These head studs are built to withstand the demanding conditions of performance engines, ensuring reliability and longevity.