Upgrading your LS1 or LS2 engine? Don’t forget the small stuff! This ARP bolt kit is made specifically for securing coil brackets on GM LS1 and LS2 engines. Features high-strength 12-point bolts that look pro and stand up to heat and vibration better than stock hardware. Easy to install with basic tools. Perfect for engine builds, swaps, or just replacing worn factory bolts. ARP is trusted by racers and builders for quality and durability. Keep your ignition coils firmly in place for reliable performance. A simple upgrade that makes a big difference under the hood.