The FEBI BILSTEIN 28458 Timing Chain Tensioner is a high-quality engine timing component designed for Alfa Romeo, Chevrolet, and Citroen vehicles. Manufactured by FEBI BILSTEIN, a trusted brand in the automotive industry, this timing chain tensioner operates on hydraulic principles and is made of durable metal material. With a weight of 0.12 kg, this tensioner comes in a quantity of 1 per package, ensuring a perfect fit and reliable performance for your vehicle's engine timing system.