Building or rebuilding a GM LS engine? This ARP 12-point stainless steel fastener kit has you covered. Part number 534-9505 includes a complete set of high-quality bolts and fasteners specifically designed for LS series small block Chevy engines. Made from tough stainless steel, these bolts resist corrosion and provide reliable strength under pressure. The 12-point heads make installation and torqueing easier with the right tools. Weighing about 5 pounds, this kit is comprehensive and saves you from hunting down individual bolts. Whether you’re doing performance upgrades, a restoration, or just want peace of mind with premium fasteners, ARP’s reputation for quality means you’re getting the best. Fit is vehicle-specific, so double-check compatibility. Perfect for gearheads, mechanics, or anyone serious about their engine build. Upgrade your LS with confidence!