Upgrade your vehicle's rear air suspension with the Dura International 272-10520 Shock Absorber. This Screw-On shock is made from high-quality Alloy Steel and comes with a Shock included. It is a great replacement for your worn-out rear air suspension strut with its 100% Accuracy of Fit and Easy to Replace features. This Gas shock absorber is designed for Buick, Cadillac, and Pontiac vehicles and fits perfectly on the Rear, Left, and Right sides of your car. It does not matter if your car is a vintage model or not because this shock absorber works with both. So, get ready to improve the performance of your car's suspension system with this reliable and durable Dura International shock absorber.