SKU: ARPAR5.000-1LB
MPN: AR5.000-1LB
The ARP 1/2 Stud - 5.000 Long Broached with 1.250 Thread is a precision fastener engineered for high-performance applications where structural integrity and repeatable accuracy are critical. This broached stud is manufactured from chromoly steel with black oxide finish, delivering the corrosion resistance and material strength required in demanding mechanical assemblies. The 5-inch overall length accommodates deep engagement requirements common in engine blocks, cylinder head applications, and other load-bearing fastening scenarios.
The broached design ensures precise hole alignment and repeatable clamping geometry across production runs. The 1/2-inch diameter stud paired with the 1.250-inch threaded section provides the mechanical advantage necessary for applications requiring controlled preload and vibration resistance. Chromoly material offers superior tensile strength compared to mild steel, making it the standard choice for motorsports fastening, aerospace-grade assembly work, and industrial engine rebuilding where fatigue resistance matters. Black oxide coating provides both corrosion protection and a professional finished appearance while maintaining dimensional consistency across batches.
This stud serves engine builders, machine shops, motorsports fabricators, and industrial assembly operations performing head gasket sealing, block fastening, and other applications where precision studs prevent leakage and joint separation. The ARP stud specification ensures compatibility with standard 1/2-inch wrench and socket sizes, simplifying installation across universal applications. Individual stud purchase allows for selective replacement or small-batch assembly without requiring full kit purchases.
ARP fasteners are recognized throughout motorsports and industrial sectors for manufacturing consistency and material traceability. This broached stud design minimizes runout and ensures predictable torque-to-yield performance when used with proper installation procedures and current-generation thread-locking compounds.
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