NISSAN A-12 Engines ARP 12pt Head Stud Kit.

ARP 12pt Head Stud Kit for NISSAN/DATSUN A-12 Engines. ARP heavy duty studs are made of high strength and heat treated 8740 chrome-moly forged steel. Due to advanced manufacturing processes ARP studs reach highest strength and stability.Tensile strength of 200.000 psi (13,8t/cm²).Absolutely perfectly round and straight studs for a first-class assembly.All kits come with ARP hardened washers and high quality nuts.Harder, more durable, stable, and processed better than any OEM products.10 times stronger threads than the competetive products by thread cut after curing.Highest ARP quality product for professional use.Fully reusable. Due to advanced manufacturing processes ARP studs reach highest strength and stability. Tensile strength of 200.000 psi (13,8t/cm²). Absolutely perfectly round and straight studs for a first-class assembly. All kits come with ARP hardened washers and high quality nuts. Harder, more durable, stable, and processed better than any OEM products. 10 times stronger threads than the competetive products by thread cut after curing. Highest ARP quality product for professional use. Fully reusable.