Ensure your engine runs smoothly with the Dorman Harmonic Balancer, designed to minimize vibration and improve performance across a range of popular GM vehicles. Engineered for durability, this harmonic balancer helps maintain engine stability, reducing wear and tear on components. Featuring a black painted finish, it not only performs well but also adds a sleek look to your engine bay. Designed with six grooves for optimal belt alignment, ensuring efficient power transfer to accessories. Compatible with various models from Cadillac, Chevrolet, Buick, GMC, Saturn, Saab, and Pontiac, making it a versatile choice for your repair needs. Sold individually, this part comes ready to install, although mounting hardware is not included. With a stock keyway quantity and no degree markings, it’s a reliable replacement for your vehicle’s harmonic balancer. Upgrade your engine’s performance with confidence!