ARP 300-6730 7/16-20 x 1.60 UHL CA625+ Rod Bolt Kit

The ARP 300-6730 is a high-performance connecting rod bolt kit manufactured from premium Custom Age 625+ material. These general replacement rod bolts feature 7/16-20 thread size with 1.60-inch under head length (UHL), designed for custom engine builds and performance applications where strength and reliability are critical.

Key Features:

• Custom Age 625+ material provides tensile strength of approximately 260,000 psi
• Superior fatigue cycle life and toughness compared to standard ARP2000 and 8740 materials
• Complete resistance to atmospheric corrosion and oxidation
• Precision CNC-machined to exacting specifications for optimal reliability
• Heat-treated with rolled threads for up to ten times more fatigue strength than OEM fasteners
• Thread Size: 7/16-20
• Under Head Length (UHL): 1.60 inches

ARP connecting rod bolts are trusted by professional engine builders and connecting rod manufacturers worldwide. The Custom Age 625+ super-alloy delivers exceptional performance in high-stress applications including forced induction, high-RPM engines, and severe duty cycles. These bolts are engineered to handle extreme cylinder pressures and thermal cycling while maintaining proper clamp load throughout the engine's service life.