ARP 134-6002 Cylinder Head Fasteners High Performance Chrome Moly - 8740

The ARP 134-6002 cylinder head fasteners deliver the superior clamping force and reliability that engine builders demand for high-performance applications. Manufactured from ARP's proven 8740 chrome moly alloy, these fasteners are engineered to maintain precise head gasket compression under extreme cylinder pressures and thermal cycling.

Key Features:

• Constructed from 8740 chrome moly steel with tensile strength between 180,000-210,000 psi
• Forged in-house at ARP facilities using premium quality materials
• Heat-treated using specialized 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 tolerances for consistent performance
• Each fastener proudly stamped with the ARP name as assurance of quality

Why ARP Fasteners:

• Superior fatigue strength compared to OEM and competing fasteners
• Optimized grain flow and metallurgy for maximum reliability
• Specifically engineered for each application to deliver proper clamping loads
• Trusted by professional engine builders and racers worldwide

ARP's 8740 chrome moly material offers excellent toughness and adequate fatigue properties for most racing applications, making it a cost-effective solution that provides the strength needed plus a safety margin for occasional overloads. When properly installed with ARP Ultra-Torque assembly lubricant, these fasteners will deliver consistent, repeatable clamping force to keep your cylinder heads sealed under demanding conditions.