Enhance your vehicle's performance with the Dorman Harmonic Balancer, specifically designed for Chevrolet and GMC models from 1983 to 1990. This premium part ensures smooth engine operation, reducing vibrations and prolonging engine life. Durable Construction: Made from nodular iron for superior strength and longevity, ensuring reliable performance under demanding conditions. Internal Engine Balance: Designed to maintain optimal balance within your engine, leading to enhanced stability and quieter operation. Degree Markings: Features clear degree markings for precise timing adjustments, aiding in easier installation and tuning. Stock Keyway Quantity: Comes with a stock keyway quantity, allowing for a straightforward fit and compatibility with existing components. Natural Finish: The natural color offers a clean, professional look under your hood, complementing your engine's aesthetics. This harmonic balancer is sold individually and is engineered for a perfect fit in 1983-1990 Chevrolet and GMC vehicles. Trust Dorman for quality and reliability in your auto parts.