GM LS MAIN STUD KIT

The ARP GM LS Main Stud Kit (Part No. 234-5608) is designed for serious LS engine builders and high-performance enthusiasts who demand reliability under extreme conditions. This kit is ideal for those building street performance engines, preparing for forced induction, or competing in drag racing.

Manufactured from premium-grade alloy steel, ARP studs provide superior clamping force and resist permanent deformation and fatigue failure under high-load cycles. The precise tensioning tolerances ensure consistent preload across all main bearing caps, which is critical for managing boost pressure and extended RPM peaks.

This kit fits a wide range of LS-family engines, including LS1, LS2, LS3, LS4, LS6, LS7, LS9, LSX, and 4.8L/5.3L variants used in Chevrolet, Pontiac, Cadillac, and GM trucks. With all necessary fasteners included, installation is straightforward, making it an essential component for anyone looking to enhance engine performance and longevity.