?Powerful Lift?The function of the coil spring spacer is to increase the suspension height of the vehicle by increasing the compression force of the spring. Measures 1.5 in long, 1 in wide, and 1.3 in thick. Can provide your car with a 1 inch to 1.5 inch lift. ?Durable Material?Coil spring booster is made of high-quality rubber, which is durable and stable, not easily deformed or damaged. Fits most cars, trucks and SUVs. ?Performance Enhancement?The rubber coil spring spacers can effectively solve the problem of spring weakness under heavy load. Protect shock absorbers and suspension systems, reduce noise and vibration during driving, and improve driving comfort. ?Easy to Install?Coil spring lift spacers is easy to install, just insert it into the spring of your vehicle. (Depending on the vehicle model, a spring compression tool may be required to leave enough space between the coils to insert the rubber pads) ?Packaging and Service?6 x Rubber Coil Spacers. If you are not satisfied with the coil spring lifters for cars or other problems, please feel free to contact us, we will solve the problem for you within one working day.