The Energy Suspension - Peterbilt Equalizer Bushing is a durable and practical product designed to enhance the performance of your vehicle. Constructed of Hyper-Flex Polyurethane, this bushing is available in red or graphite (black). Sold individually, two are needed per equalizer. Its impressive features include being impervious to road salt, petroleum products, smog, ozone, and road contaminants. With its environmental impact in mind, this bushing is a reliable choice that will withstand harsh conditions, ensuring long-lasting performance for your Peterbilt truck.