ARP 202-6002 High Performance Chrome Moly Connecting Rod Bolt Kit - 8740

The ARP 202-6002 is a complete connecting rod bolt kit manufactured from high-performance 8740 chrome moly steel. ARP rod bolts are trusted by connecting rod manufacturers worldwide and chosen as original equipment due to their superior strength and reliability. These bolts feature threads rolled after heat treatment, providing up to 10 times greater fatigue strength compared to competitive fasteners.

Key Features:

• Forged in-house at ARP using premium quality 8740 chrome moly steel
• Heat-treated using specialized vertical racks for complete 360-degree penetration
• Threads rolled after heat treatment for exceptional fatigue strength
• Precision CNC-machined to exacting specifications
• Designed for optimum reliability in high-performance applications

Wave-Loc Design Benefits:

• Wave-Loc surface contacts rod and cap for superior alignment and stress reduction
• Provides interference fit range of .001 to .005 inches for all OEM connecting rods
• Superior material grain flow compared to knurled bolts with stress risers
• Eliminates galling and scoring through smooth surface contact
• Accommodates wide range of factory rod bolt hole tolerances

8740 Chrome Moly Material:

The 8740 chrome moly alloy is a proven quench and temper steel delivering tensile strengths between 180,000 and 210,000 psi. This material offers excellent toughness and adequate fatigue properties for most racing applications, providing a cost-effective solution with proper safety margins for anticipated loads and occasional overloads.

Important Maintenance Note:

Monitor bolt stretch regularly and replace any bolt that has permanently elongated by .0005 inches to ensure continued reliability and safety.