ARP 234-5606 Main Stud Kit Small Block Chevy with Windage Tray - 400 4-Bolt

The ARP 234-5606 main stud kit is specifically engineered for Small Block Chevy 400 engines with 4-bolt main caps and windage tray installations. This complete fastener system eliminates main cap walk and fretting while protecting your engine block's threaded holes from damage during high-performance operation.

Key Features:

• Manufactured from 8740 chrome moly steel with precision heat treatment to 200,000 psi tensile strength
• Precision J-form threads rolled after heat-treat for 1000% stronger fatigue resistance than conventional fasteners
• Includes specially designed standoff studs with serrated lock nuts for secure windage tray mounting
• Complete kit with hardened parallel-ground washers and high-quality nuts
• Engineered to prevent main cap movement under extreme cylinder pressures
• Professional-grade quality meeting the standards of competition engine builders

ARP main studs provide superior clamping force compared to factory bolts, ensuring your main caps remain precisely located even under the extreme loads of boosted or high-RPM applications. The rolled threads are formed after heat treatment, creating a fastener with exceptional strength characteristics and fatigue life. Each stud features ARP's proprietary manufacturing process that has made them the choice of professional engine builders and racers worldwide.