ARP 235-6401 Cylinder Head Fasteners High-Performance Engine Bolts

The ARP 235-6401 cylinder head fasteners are precision-engineered high-performance bolts designed to provide superior clamping force and reliability in demanding engine applications. These fasteners are manufactured using ARP's proven processes to deliver exceptional strength and durability where it matters most.

Key Features:

• Forged in-house at ARP using premium quality materials for consistent performance
• 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 specifications for proper fit and function
• Engineered specifically for optimum reliability in high-stress applications
• ARP name stamped on each fastener as assurance of quality

ARP fasteners are recognized industry-wide for their superior fatigue strength compared to standard hardware. The advanced manufacturing processes, including post-heat-treat thread rolling and precision machining, ensure these fasteners can withstand the extreme loads and temperatures found in racing and performance engines. Whether you're building a street performance engine or a full competition powerplant, ARP 235-6401 cylinder head fasteners deliver the clamping force and reliability you need.