The ARP 1/2-20 12pt. Nuts (10) are precision-engineered fasteners designed for high-performance engine builds and critical fastening applications where reliability and consistency are essential. These nuts are ideal for racing engines, stroker builds, and any application requiring heavy-duty thread engagement. They are constructed to meet the demands of professional builders and serious enthusiasts.
Made from chromoly steel and finished with a black oxide coating, these 1/2-20 nuts feature a 12-point head design that maximizes contact surface area and reduces stress concentration. The 1/2-20 thread specification denotes a 1/2-inch diameter with 20 threads per inch, ensuring precise pitch engagement with corresponding ARP studs and bolts. The 12-point configuration allows for multiple seating angles, improving installation accuracy.
This set of 10 nuts is perfect for engine builders, performance technicians, and motorsports enthusiasts who rely on ARP fastening solutions for head studs, block studs, and critical clamping applications. The chromoly construction provides strength-to-weight advantages, making these nuts a reliable choice for high-performance assemblies.
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