Product Information If the Car Coil Spring Gap, when lifted and unloaded, is between 0.85"-1.1", Choose E Type. Improved driving comfort and stability when passing bumpy roads. Protect shock absorber and suspension system. Specification: Material: Rubber Color: Black Type: Car Coil Spring Buffer Outer High: 38mm / 1.5" Inner High: 17mm / 0.67 Out Diameter: 121mm / 4.76" Inner Diameter: 78mm / 3.07" Groove Diameter: 12mm / 0.47" Groove Depth: 11mm / 0.43" Thickness: 22mm / 0.87" Groove Open: 10mm / 0.39" Fitment: Universal fit for most cars, trucks, and SUVs. Installation: Jacked the car Remove the tire Clean up the coil spring Install the coil spring buffer at the middle part of the spring Tire up with the cable ties Install the tires Note: Please carefully verify the required size before purchasing. Package Includes: 2 x E Type Car Coil Spring Buffer