ARP 235-6403 Cylinder Head Fasteners - Kit

The ARP 235-6403 cylinder head fastener kit delivers the exceptional strength and reliability that engine builders demand for high-performance applications. Each fastener is precision-engineered to provide superior clamping force and durability under extreme conditions.

Key Features:

• Forged in-house at ARP using premium quality materials
• Heat-treated using specialized vertical racks to ensure complete 360-degree penetration
• Threads rolled after heat-treat for up to 10 times longer fatigue life
• Precision CNC-machined to exacting tolerances
• Engineered specifically for optimal reliability in demanding applications
• Each fastener features the ARP name stamp as your assurance of quality

Why Choose ARP Fasteners:

• Superior fatigue strength compared to OEM and competitor fasteners
• Proven performance in racing and high-stress environments
• Consistent quality control throughout the manufacturing process
• Trusted by professional engine builders and racers worldwide

ARP fasteners are the industry standard for engine builders who refuse to compromise on quality. Whether you're building a street performance engine or a full competition powerplant, ARP cylinder head fasteners provide the clamping force and durability you need for long-term reliability.