ARP 746-1625 Black Oxide 12-Point Bolt 7/16-20 x 1.625"

The ARP 746-1625 is a high-strength 12-point bolt engineered for critical fastening applications in automotive and racing engines. This precision-manufactured fastener features 7/16-20 UNF threading and a 1.625-inch overall length, designed to deliver superior clamping force and reliability under extreme conditions.

Key Features:

• 12-point head design with 1/2-inch socket size for positive engagement and easier installation in tight spaces
• Black oxide finish provides corrosion resistance and professional appearance
• 7/16-20 UNF thread specification for precision fit
• 1.625-inch overall length (measured under head)
• Manufactured from premium aerospace-quality material for exceptional tensile strength
• Heat-treated to ARP specifications for consistent performance
• Precision rolled threads for superior fatigue resistance

ARP fasteners are the gold standard in performance engine building, trusted by professional engine builders and racing teams worldwide. Each bolt is manufactured to exacting tolerances and undergoes rigorous quality control to ensure reliability when it matters most.