Discover the ultimate upgrade for your Nissan RB20/25 engine with the ARP Head Stud Kit High Performance 8740 Series, part number 202-4301, available at Terra Firma Automotive. Trusted by top engine builders worldwide, ARP Pro Series head studs are the go-to choice for all-out competition powerplants.
With a reduced wrenching hex or 12-point head and wide area flanged head, our High Performance head bolts make cylinder head retorquing a breeze without the need for valve train removal. Each bolt boasts an impressive strength rating of 180,000 psi, a remarkable 15% stronger than Grade 8 bolts, ensuring superior performance and durability.
At Terra Firma Automotive, we only use the finest quality materials for our head studs. Forged in-house at ARP, heat-treated using special vertical racks for complete 360° penetration, and threads rolled after heat-treat, these bolts provide up to 10-times longer fatigue strength compared to others.
With precision CNC-machining and hardened parallel-ground washers included, our High Performance head stud kit is designed for optimum reliability and ease of installation. Elevate your Nissan RB20/25 engine's performance with ARP Head Stud Kit High Performance 8740 Series, part number 202-4301, available at Terra Firma Automotive. Experience the power of excellence today!
- 5/8 12pt, 3/16 Allen
- Forged in-house at ARP using only the finest quality materials
- Heat-treated using special vertical racks to assure complete 360° penetration
- Threads rolled after heat-treat to provide up to 10-times longer fatigue strength
- Precision CNC-machined to exacting specifications
- Specially designed for optimum reliability
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