{"title":"Ford Mustang S550 2015–2025","description":"\u003cp data-start=\"34\" data-end=\"426\"\u003eRiaction coilovers for the 2015–2025 Ford Mustang S550 provide precise control over ride height and damping, allowing you to fine-tune suspension performance for both street and performance driving. These performance shocks are designed to take advantage of the independent rear suspension, improving chassis stability while reducing body movement during acceleration, braking, and cornering.\u003c\/p\u003e\n\u003cp data-start=\"428\" data-end=\"748\"\u003eWith a more modern chassis setup, the S550 benefits from improved balance and smoother weight transfer through turns. The suspension delivers stronger grip and more consistent response, creating a driving experience that feels planted, controlled, and highly responsive whether you're cruising or pushing the car harder.\u003c\/p\u003e","products":[{"product_id":"ford-mustang-s550-2015","title":"FORD MUSTANG (S550) 2015-25","description":"\u003cp data-start=\"244\" data-end=\"475\"\u003eTake your Mustang’s handling to the next level with Riaction \u003cstrong data-start=\"305\" data-end=\"331\"\u003es550 mustang coilovers\u003c\/strong\u003e. Designed for daily driving and spirited runs, this kit offers precise suspension tuning and improved ride quality for the modern S550 chassis.\u003c\/p\u003e\n\u003cp data-start=\"477\" data-end=\"742\"\u003eFeaturing 32 levels of damping and full-length ride height adjustability, these coilovers let you dial in the perfect setup for the street or show. Built from premium-grade materials and CNC-machined components, this system balances comfort, control, and longevity.\u003c\/p\u003e\n\u003cp data-start=\"744\" data-end=\"870\"\u003e(May require wheel spacers when using OEM wheels.)\u003cbr data-start=\"794\" data-end=\"797\"\u003e(We recommend upgrading the rear upper shock mount for best performance.)\u003c\/p\u003e\n\u003cp data-start=\"872\" data-end=\"945\"\u003eEach kit includes a 2-year factory warranty against manufacturer defects.\u003c\/p\u003e\n\u003chr data-start=\"947\" data-end=\"950\"\u003e\n\u003cp data-start=\"952\" data-end=\"977\"\u003e🔧 \u003cstrong data-start=\"955\" data-end=\"977\"\u003eCoilover Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"979\" data-end=\"1510\"\u003e\n\u003cli data-start=\"979\" data-end=\"1017\"\u003e\n\u003cp data-start=\"981\" data-end=\"1017\"\u003eFull-Length Ride Height Adjustment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1018\" data-end=\"1050\"\u003e\n\u003cp data-start=\"1020\" data-end=\"1050\"\u003e32 Damping Adjustment Levels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1051\" data-end=\"1078\"\u003e\n\u003cp data-start=\"1053\" data-end=\"1078\"\u003eMono-Tube Damper Design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1079\" data-end=\"1134\"\u003e\n\u003cp data-start=\"1081\" data-end=\"1134\"\u003eSeamless 52mm Electroplated Carbon Steel Shock Body\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1135\" data-end=\"1181\"\u003e\n\u003cp data-start=\"1137\" data-end=\"1181\"\u003e20mm Piston Rod (for McPherson Suspension)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1182\" data-end=\"1232\"\u003e\n\u003cp data-start=\"1184\" data-end=\"1232\"\u003e14mm Piston Rod (for Non-McPherson Suspension)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1233\" data-end=\"1276\"\u003e\n\u003cp data-start=\"1235\" data-end=\"1276\"\u003eCNC 6061 Aluminum 44mm High-Flow Piston\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1277\" data-end=\"1313\"\u003e\n\u003cp data-start=\"1279\" data-end=\"1313\"\u003eThinned CNC 6061 Floating Piston\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1314\" data-end=\"1344\"\u003e\n\u003cp data-start=\"1316\" data-end=\"1344\"\u003eSAE9254 Cold-Wound Springs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1345\" data-end=\"1371\"\u003e\n\u003cp data-start=\"1347\" data-end=\"1371\"\u003ePolyurethane Oil Seals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1372\" data-end=\"1405\"\u003e\n\u003cp data-start=\"1374\" data-end=\"1405\"\u003eMulti-Thickness Valving Shims\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1406\" data-end=\"1433\"\u003e\n\u003cp data-start=\"1408\" data-end=\"1433\"\u003eLow-Gas Pressure Design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1434\" data-end=\"1470\"\u003e\n\u003cp data-start=\"1436\" data-end=\"1470\"\u003e7.5w Compounded Suspension Fluid\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1471\" data-end=\"1510\"\u003e\n\u003cp data-start=\"1473\" data-end=\"1510\"\u003eFully Rebuildable Coilover Assembly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1512\" data-end=\"1515\"\u003e\n\u003cp data-start=\"1517\" data-end=\"1624\"\u003e📧 \u003cstrong data-start=\"1520\" data-end=\"1545\"\u003eInternational Orders:\u003c\/strong\u003e\u003cbr data-start=\"1545\" data-end=\"1548\"\u003eFor global shipping inquiries, please contact us at \u003ca data-start=\"1600\" data-end=\"1623\" class=\"cursor-pointer\" rel=\"noopener\"\u003einfo@riactionshocks.com\u003c\/a\u003e.\u003c\/p\u003e\n\u003chr data-start=\"1626\" data-end=\"1629\"\u003e\n\u003cp data-start=\"1631\" data-end=\"1771\"\u003eDial in your stance and ride feel with Riaction \u003cstrong data-start=\"1679\" data-end=\"1705\"\u003es550 mustang coilovers\u003c\/strong\u003e—built for real-world performance and confidence behind the wheel.\u003c\/p\u003e","brand":"Riaction Performance Shocks","offers":[{"title":"Default Title","offer_id":49445757255956,"sku":"FD-009-LT","price":1200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/3833\/7812\/files\/FORD_MUSTANG_S550_2015_Coilovers_-_Riaction_Performance_Shocks-3593595.png?v=1776395360"},{"product_id":"2015-plus-ford-mustang-s550-6th-traction-plus-ultra-coilovers","title":"2015+ Ford Mustang S550 6th Gen Traction Plus Ultra Coilovers","description":"\u003cp data-start=\"292\" data-end=\"642\"\u003eTake command of the chassis dynamics in your \u003cstrong data-start=\"337\" data-end=\"372\"\u003e2015+ Ford Mustang S550 6th Gen\u003c\/strong\u003e with Riaction Traction Plus Ultra coilovers. Designed for modern rear-wheel-drive performance platforms with independent rear suspension, the TPU system improves braking stability, reduces excessive body roll, and delivers more controlled rear traction under acceleration.\u003c\/p\u003e\n\u003cp data-start=\"644\" data-end=\"1024\"\u003eTraction Plus Ultra is engineered around our \u003cstrong data-start=\"686\" data-end=\"718\"\u003enew digressive piston design\u003c\/strong\u003e, providing firm low-speed damping for stronger roll resistance and improved steering precision while maintaining composure as suspension velocity increases. On the S550 platform, this results in flatter cornering, improved mid-corner balance, and greater confidence during aggressive throttle application.\u003c\/p\u003e\n\u003cp data-start=\"1026\" data-end=\"1452\"\u003eEach kit features a \u003cstrong data-start=\"1046\" data-end=\"1074\"\u003enickel-coated shock body\u003c\/strong\u003e for corrosion resistance and long-term durability. The \u003cstrong data-start=\"1130\" data-end=\"1173\"\u003ehex screw preload collar locking system\u003c\/strong\u003e secures spring preload under repeated high-load driving. Signature orange-coated non-MacPherson components add protection and a distinctive performance finish, while pillowball upper mounts are included where applicable to maximize suspension articulation and steering feedback.\u003c\/p\u003e\n\u003cp data-start=\"1454\" data-end=\"1525\"\u003eEvery Traction Plus Ultra system is backed by our 2-year factory warranty.\u003c\/p\u003e\n\u003chr data-start=\"1527\" data-end=\"1530\"\u003e\n\u003cp data-start=\"1532\" data-end=\"1574\"\u003e🔧 \u003cstrong data-start=\"1535\" data-end=\"1574\"\u003eTraction Plus Ultra Coilover Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1576\" data-end=\"2178\"\u003eFull-Length Ride Height Adjustment\u003cbr data-start=\"1610\" data-end=\"1613\"\u003e32-Level Damping Adjustment\u003cbr data-start=\"1640\" data-end=\"1643\"\u003eNew Digressive Piston Valving\u003cbr data-start=\"1672\" data-end=\"1675\"\u003eMono-Tube Damper Design\u003cbr data-start=\"1698\" data-end=\"1701\"\u003eNickel-Coated Shock Body for Corrosion Protection\u003cbr data-start=\"1750\" data-end=\"1753\"\u003eHex Screw Preload Collar Locking System\u003cbr data-start=\"1792\" data-end=\"1795\"\u003eSignature Orange Coating on Non-MacPherson Components\u003cbr data-start=\"1848\" data-end=\"1851\"\u003ePillowball Upper Mounts (When Applicable)\u003cbr data-start=\"1892\" data-end=\"1895\"\u003e44mm High-Flow CNC 6061 Aluminum Piston\u003cbr data-start=\"1934\" data-end=\"1937\"\u003eCNC 6061 Aluminum Floating Piston\u003cbr data-start=\"1970\" data-end=\"1973\"\u003ePolyurethane Oil Seals\u003cbr data-start=\"1995\" data-end=\"1998\"\u003eSAE9254 Cold-Wound Performance Springs\u003cbr data-start=\"2036\" data-end=\"2039\"\u003eMulti-Thickness Valving Shims\u003cbr data-start=\"2068\" data-end=\"2071\"\u003eLow-Gas Pressure Internal Design\u003cbr data-start=\"2103\" data-end=\"2106\"\u003e7.5w Compounded Suspension Fluid\u003cbr data-start=\"2138\" data-end=\"2141\"\u003eFully Rebuildable Coilover Assembly\u003c\/p\u003e\n\u003chr data-start=\"2180\" data-end=\"2183\"\u003e\n\u003cp data-start=\"2185\" data-end=\"2240\"\u003e⚙️ \u003cstrong data-start=\"2188\" data-end=\"2213\"\u003eFactory Spring Rates:\u003c\/strong\u003e\u003cbr data-start=\"2213\" data-end=\"2216\"\u003eFront: 8K\u003cbr data-start=\"2226\" data-end=\"2229\"\u003eRear: 14K\u003c\/p\u003e\n\u003chr data-start=\"2242\" data-end=\"2245\"\u003e\n\u003cp data-start=\"2247\" data-end=\"2360\"\u003e📧 \u003cstrong data-start=\"2250\" data-end=\"2275\"\u003eInternational Orders:\u003c\/strong\u003e\u003cbr data-start=\"2275\" data-end=\"2278\"\u003eFor international shipping inquiries, please email us at \u003ca data-start=\"2335\" data-end=\"2358\" class=\"decorated-link cursor-pointer\" rel=\"noopener\"\u003einfo@riactionshocks.com\u003cspan aria-hidden=\"true\" class=\"ms-0.5 inline-block align-middle leading-none\"\u003e\u003csvg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"20\" height=\"20\" aria-hidden=\"true\" data-rtl-flip=\"\" class=\"block h-[0.75em] w-[0.75em] stroke-current stroke-[0.75]\"\u003e\u003cuse href=\"\/cdn\/assets\/sprites-core-d1qk0x1f.svg#304883\" fill=\"currentColor\"\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003chr data-start=\"2362\" data-end=\"2365\"\u003e\n\u003cp data-start=\"2367\" data-end=\"2562\"\u003eDeliver controlled power application and improved chassis stability in your 2015+ Ford Mustang S550 with Traction Plus Ultra coilovers, engineered performance shocks from Riaction Performance Shocks.\u003c\/p\u003e","brand":"Riaction Performance Shocks","offers":[{"title":"Default Title","offer_id":52385671708948,"sku":"0FD-009-TPU","price":1780.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/3833\/7812\/files\/2015-plus-ford-mustang-s550-6th-traction-plus-ultra-coilovers_9a9107f7-365f-49fd-8a1d-d82921e968e5.webp?v=1776892297"}],"url":"https:\/\/www.riactionperformanceshocks.com\/collections\/ford-mustang-s550-15-25-coilovers.oembed","provider":"Riaction Performance Shocks","version":"1.0","type":"link"}