ARP 145-3606 High Performance Hex Cylinder Head Bolts for Chrysler Big Block

ARP 145-3606 High Performance Series cylinder head bolts deliver superior clamping force and reliability for Chrysler big block engines (B and RB Wedge). Engineered as a premium upgrade over OEM fasteners, these bolts are manufactured entirely in-house by ARP to exacting quality standards, ensuring zero-defect performance in demanding applications.

Key Features:

• 180,000 psi tensile strength—15% stronger than Grade 8 hardware for maximum clamping force
• Reduced wrenching hex design allows cylinder head retorquing without valve train removal
• Wide area flanged head distributes load evenly across the cylinder head surface
• Includes hardened parallel-ground washers for consistent torque loading
• Precision manufactured to ARP's zero-defect quality standards
• Compatible with select Chrysler big block applications including Edelbrock 60929 heads

These hex head bolts provide the strength and durability needed for high-performance street engines, weekend racers, and mild performance builds where reliable head gasket sealing is critical. The engineered design ensures proper load distribution while simplifying maintenance procedures.