ARP 400-2420 Cylinder Head Bolt Kit

The ARP 400-2420 cylinder head bolt kit delivers professional-grade fastening solutions for high-performance engine builds. Engineered by ARP (Automotive Racing Products), these precision-manufactured head bolts provide superior clamping force and reliability compared to OEM hardware.

Key Features:

• Manufactured from premium aerospace-grade materials for maximum strength and durability
• Heat-treated to exacting specifications for consistent torque retention
• Precision rolled threads to ensure accurate torque values and prevent galling
• Black oxide finish for corrosion resistance
• Includes hardened parallel-ground washers for even load distribution
• Supplied with ARP Ultra-Torque assembly lubricant for proper installation

ARP head bolts are designed to withstand extreme cylinder pressures in boosted, nitrous, and naturally aspirated applications. Each bolt is individually inspected to meet ARP's strict quality standards, making them the preferred choice for professional engine builders and serious enthusiasts.