ARP HARJ3.250-1 Broached Alignment Stud 3.250" Length 1/2-13 & 3/8-24 Thread

The ARP HARJ3.250-1 is a precision-engineered broached alignment stud designed for high-performance engine assembly applications. This dual-threaded stud features a 3.250-inch length and is manufactured from premium materials to ARP's exacting standards.

Key Specifications:

• Overall length: 3.250 inches
• Dual thread design: 1/2-13 on one end, 3/8-24 on the other
• Broached construction for precise alignment during assembly
• Heat-treated alloy steel for superior strength and durability
• Black oxide finish for corrosion resistance

Broached studs are essential tools for engine builders, allowing proper alignment of cylinder heads, intake manifolds, and other critical components during installation. The dual-thread configuration provides versatility for various applications, with the coarser 1/2-13 thread typically used for block-side installation and the finer 3/8-24 thread for component alignment. ARP's precision manufacturing ensures consistent thread engagement and reliable performance in professional engine building environments.