ARP 151-5407 Ford 2.3L EcoBoost Main Stud Kit

The ARP 151-5407 main stud kit helps eliminate main cap walk and fretting while protecting the threads in your engine block, making it an essential upgrade for Ford 2.3L EcoBoost engines used in performance and racing applications. This kit secures the main bearing girdle/cap on the Ford 2.3L EcoBoost engine, providing superior clamping force compared to factory bolts.

Key Features:

• Manufactured from 8740 chrome moly steel, heat-treated in-house to 190,000 psi tensile strength
• Precision J-form threads rolled after heat-treat to create a fastener that has threads 2000% stronger than others
• Includes 10 studs, 10 washers, and 10 12-point nuts along with the required assembly lube
• Complete kit with hardened parallel-ground washers and high-quality nuts
• 2-bolt main design with 12-point head nuts for easy installation

This main stud kit is designed for 2-bolt main Ford 2.3L EcoBoost engines and provides the strength and reliability needed for high-performance builds, whether street or track. ARP fasteners are precision-manufactured to aerospace standards, ensuring consistent clamping force and long-term durability under extreme conditions.