ARP 134-6401 High Performance Wave-Loc Connecting Rod Bolt Kit - 8740

The ARP 134-6401 is a complete connecting rod bolt kit featuring high-performance Wave-Loc 8740 chrome moly fasteners. Designed to replace the weakest link in any connecting rod assembly, these precision-engineered bolts deliver superior reliability and fatigue strength for demanding racing applications.

Key Features:

• Forged in-house at ARP using premium quality materials
• Heat-treated using special vertical racks to ensure complete 360-degree penetration
• Threads rolled after heat treatment to provide up to 10 times longer fatigue life
• Precision CNC-machined to exacting specifications
• 8740 chrome moly construction with tensile strength between 180,000-210,000 psi
• Complete kit with all necessary hardware

Wave-Loc Technology Benefits:

• Wave-Loc surface contacts rod and cap for optimal alignment and reduced fluctuating stress
• Provides secure interference fit (.001 to .005 range) for all OEM connecting rods despite factory tolerance variations
• Superior material grain flow compared to knurled bolts that create stress risers
• Virtually eliminates galling and scoring through smooth contact design
• Strengthens the connecting rod itself by improving load distribution

Maintenance Note: Monitor bolt stretch regularly and replace when permanently elongated by .0005 inch to maintain optimal performance and safety.

ARP rod bolts are the choice of leading connecting rod manufacturers and racers worldwide. Each bolt is proudly stamped with the ARP name as your assurance of quality and reliability.