ARP Main Stud Kit for Chevrolet LS Gen III & GMPP LSX Block

ARP Main Stud Kit for Chevrolet LS Gen III & GMPP LSX Block Upgrade strength and reliability in your LS bottom end with the ARP Main Stud Kit. Designed for Chevrolet LS Gen III and GMPP LSX blocks, these precision-engineered studs deliver consistent clamping and long-term durability for high-performance engines. Direct fit — fits LS Gen III and GMPP LSX blocks with no machining for standard installs. Premium alloy construction — ARP’s proprietary material provides superior tensile strength and fatigue resistance. Exact clamping control — maintains bearing alignment, limits crankwalk and reduces movement under high RPM or boost. Complete kit — includes studs, high-performance nuts and hardened washers for a professional, repeatable installation. Race-proven — engineered for high-horsepower, forced-induction and motorsport applications. Protect your rotating assembly and maximize engine life with hardware that performs when it matters. Choose ARP for dependable clamping force, improved durability and consistent performance on the street, strip or track.