GM LS Complete Engine Fastener Kit 12pt.

The GM LS Complete Engine Fastener Kit 12pt by ARP is designed for serious LS engine builders and performance enthusiasts who require reliable fasteners for their engine assemblies. This kit is essential for those working on stock rebuilds, mild street engines, or high-horsepower competition platforms, ensuring that all major engine components are securely fastened.

Manufactured from premium alloy steel, ARP fasteners undergo rigorous quality control to meet or exceed OEM specifications, providing improved strength-to-weight ratios. The 12-point head design enhances grip and reduces the risk of rounding, allowing for precise torque application during assembly and future service. This complete kit eliminates guesswork by bundling all essential fasteners needed for optimal clamping force distribution across critical engine components.

Ideal for LS engine swaps, full restorations, or performance upgrades, this fastener kit is compatible with GM LS platforms including LS1, LS2, LS3, and LS7 variants. Professional engine builders, transmission shops, and DIY enthusiasts will find this kit invaluable for maintaining engine integrity under boost, nitrous, or sustained high RPM operation.