ARP 234-5605 Main Cap Stud Kit 4-Bolt with Windage Tray

ARP 234-5605 is a high-performance main stud kit designed for 4-bolt main applications with windage tray provisions. This complete fastener system provides superior clamping force and reliability for demanding engine builds.

Key Features:

• Manufactured from 8740 chrome moly steel with 200,000 psi tensile strength
• Precision J-form threads rolled after heat-treatment for 1000% greater strength than conventional fasteners
• Includes hardened parallel-ground washers and high-quality nuts
• Features specially designed standoff studs with serrated lock nuts for secure windage tray mounting
• Eliminates main cap walk and fretting while protecting engine block threads

ARP studs deliver consistent, repeatable clamping loads essential for high-performance and racing engines. The superior material properties and manufacturing process ensure maximum reliability under extreme cylinder pressures and crankshaft loads. Each fastener is heat-treated in-house to exacting specifications before thread rolling, creating a fatigue-resistant product that outperforms OEM and standard aftermarket alternatives.