ARP 200-6503 L19 Connecting Rod Bolt Kit 3/8 x 1.600

The ARP 200-6503 is a high-performance connecting rod bolt kit engineered for aftermarket connecting rod applications. Manufactured from ARP's L19 material, these fasteners deliver exceptional strength and reliability for demanding engine builds.

Key Features:

• L19 material construction with 260,000 psi tensile strength
• 3/8-24 thread size with 1.600 inch under-head length (UHL)
• Universal center-to-center (U/C) design for aftermarket rods
• 8-piece kit includes precision-manufactured bolts
• Superior fatigue resistance for high-RPM applications
• Requires proper stretch measurement for installation

ARP rod bolts are critical fasteners in the engine's rotating assembly, designed to withstand the tremendous cyclical loads experienced during operation. The L19 material provides a significant upgrade over standard rod bolts, offering improved reliability and fatigue life. These bolts feature ARP's signature reduced-diameter shank design that minimizes bending stress while maintaining optimal clamping force. Proper installation using a stretch gauge and ARP Ultra-Torque assembly lubricant is essential for achieving specified preload and ensuring reliable engine performance.