ARP 256-5802 Ford Modular 6.2L iron block 4-bolt main stud kit

The ARP 256-5802 main stud kit is specifically engineered for Ford Modular 6.2L iron block engines equipped with 4-bolt main caps. These precision-manufactured studs provide superior clamping force compared to factory bolts, helping to prevent main cap walk and ensure proper crankshaft support under high-performance and racing conditions.

Key Features:

• Manufactured from ARP's premium 8740 chrome moly steel for exceptional strength and durability
• Heat-treated to 190,000 PSI tensile strength for maximum clamping force
• Precision thread rolling process creates stronger threads than conventional cutting methods
• Black oxide finish for corrosion resistance
• Includes high-quality parallel-ground washers and ARP Ultra-Torque assembly lubricant
• Complete kit services all main cap positions on 4-bolt main configuration

ARP main studs are essential components for any serious performance build, providing the foundation for reliable power increases. The superior thread engagement and consistent clamping force help maintain crankshaft alignment and bearing clearances, even under extreme cylinder pressures and RPM ranges. Each kit is manufactured in the USA to exacting tolerances and includes detailed installation instructions with proper torque specifications.