The Energy Suspension - Kenworth Air Ride Bushing is a durable and practical product designed to enhance your vehicle's performance. Constructed of Hyper-Flex Polyurethane, this bushing is available in red or graphite (black) and has a 3-inch OD, 2 1/16-inch ID, and 2 13/16-inch length. It is sold individually and boasts impressive features such as being impervious to road salt, petroleum products, smog, ozone, and road contaminants. With its ability to withstand harsh conditions and its minimal environmental impact, this bushing is a reliable choice for any Kenworth air ride system.