I installed this product on my 83 toyota pickup and regretted it ever since... The product design is poorly engineered and will not last for the duration of it's use. After dealing with shotty warranty customer service and recieving major replacement parts, the product continues to fail. I'm currently touring the U.S. and I have been let down by the product performance now on three different occasions, each pertaining to different aspects of it's design. Although a consumer may overlook negative feedback on a product with a feeling of disbelief or genuine faith in a companies warranty program, please do not overlook this warning. Our trip has had several untimely setbacks because of this company and the poor product that they supply.AIR LIFT 59502 Ride Control Rear Air Spring Kit