This crankshaft pulley bolt is a high-quality replacement part designed for durability and precision. Crafted from 10.9-grade alloy steel, it offers superior strength to secure harmonic balancers and crankshaft pulleys in a range of vehicles, including for 11-16 Chevrolet Cruze, 09-11 Chevrolet Aveo, 12-18 Chevrolet Sonic, 13-15 Chevrolet Spark, 15-20 Chevrolet Trax, 09-10 Pontiac G3, and 08-09 Saturn Astra. Its Dacromet coating ensures excellent corrosion resistance, making it ideal for long-term use in demanding engine environments. Perfect for Chevy and Saturn enthusiasts, this bolt is compatible with 4 Cyl 1.6L, 1.8L, and 1.2L engines but is not suitable for 1.4L 4 Cyl engines. Installation is straightforward: thread the bolt into the crankshaft until it seats, then tighten to 150 N·m (111 lb ft). Please verify compatibility with your vehicle's model and engine type before purchasing.