{"product_id":"sdf-coil-over-suspension-system","title":"SDF Coil Over Suspension System","description":"This system aims to provide drivers with improved ease of drift control through comprehensive damper tuning.\n\nThe kit includes all necessary components for installation: adjustable shocks or struts, main springs, pillowball upper mounts, lower spring seats, seat locks, rubber bump stops, hook spanners, and dust covers. The coilovers feature a twin-tube shell case for durability, a full-length adjustment system for separate ride-height and preload tuning, and 16 levels of damping force adjustment for versatility. Threaded parts are coated with Fluorine to prevent adherence and rust, while lower brackets use electroless nickel plating with a clear coating.\n\nKey specifications include front spring rates of 448 lbs per in (8 kg per mm) and rear spring rates of 336 lbs per in (6 kg per mm). The ride height is lowered by -0.7 inches in the front and -1.3 inches in the rear. The upper mounts are pillowball type. This product is specifically designed for the 1986-1991 Mazda RX-7.","brand":"Stillen","offers":[{"title":"Default Title","offer_id":52870285558072,"sku":"GSM00-DUSS1","price":1674.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/688014512.webp?v=1787920663","url":"https:\/\/store.motormia.co\/products\/sdf-coil-over-suspension-system","provider":"MOTORMIA","version":"1.0","type":"link"}