ARP 144-6001 Cylinder Head Fasteners High Performance Chrome Moly - 8740

The ARP 144-6001 cylinder head fasteners deliver the legendary reliability and precision engineering that ARP is known for throughout the racing industry. Manufactured from high-strength 8740 chrome moly steel, these fasteners are designed to provide superior clamping force and durability in demanding performance applications.

Key Features:

• Constructed from 8740 chrome moly steel with tensile strength between 180,000 and 210,000 psi
• Forged in-house at ARP using premium quality materials for consistent performance
• Heat-treated using special vertical racks to ensure complete 360-degree penetration
• Threads rolled after heat-treat to provide up to 10 times longer fatigue strength compared to cut threads
• Precision CNC-machined to exacting specifications for perfect fit and function
• Each fastener proudly bears the ARP name stamp as assurance of quality

Why ARP Fasteners:

ARP fasteners have become the industry standard for connecting rod and cylinder head applications because they address the traditional weak points in engine assembly. Through superior materials, advanced manufacturing processes, and rigorous quality control, ARP fasteners deliver up to ten times the fatigue strength of competing products. The 8740 chrome moly material offers excellent toughness and adequate fatigue properties for most racing applications, making it a cost-effective choice that doesn't compromise on reliability.

Installation Notes:

These fasteners should be installed using proper torque specifications and ARP Ultra-Torque assembly lubricant for optimal performance. Regular inspection and maintenance will ensure long service life in your high-performance engine.