ARP 651-1500 5/16-18 x 1.500 Hex Head Engine Bolts Black Oxide

ARP 651-1500 hex head bolts are precision-engineered fasteners designed for high-performance engine applications. These premium-quality bolts feature 5/16-18 threading with a 1.500-inch length, providing reliable clamping force for cylinder heads, intake manifolds, and other critical engine components.

Key Features:

• 5/16-18 thread specification for precise fitment
• 1.500-inch overall length
• Hex head design for easy installation with standard tools
• Black oxide finish for corrosion resistance and professional appearance
• Manufactured from premium-grade alloy steel
• Heat-treated for superior tensile strength and durability
• Precision rolled threads to ensure proper engagement and reliability

ARP (Automotive Racing Products) fasteners are the industry standard for engine builders and performance enthusiasts who demand the highest quality. Each bolt is manufactured to exacting tolerances and undergoes rigorous quality control testing. The black oxide coating provides both protection and a clean, professional finish that resists oxidation in harsh engine bay environments.