This pair of suspension coil springs is designed for Nissan Altima models from 2002 to 2006 and Nissan Maxima models from 2004 to 2008. With a black powdercoat finish and tangential and squared ends, these springs have a 11.5 inch free height and a 327 LBS/inch spring rate. They are made of steel construction with a 4.1 inch maximum inside diameter and a 5.3 inch maximum outside diameter. These springs are sold by pair and are a direct replacement for the original equipment spring on specific vehicles. They are precision-engineered to match the design and dimensions of the original components, ensuring a reliable fit. Manufactured to strict standards using sturdy, safe materials, these springs are rigorously tested to ensure longevity.