{"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":"Factory Springs","offer_id":52385671708948,"sku":"0FD-009-TPU","price":1780.0,"currency_code":"USD","in_stock":true},{"title":"Swift Upgrade (+370)","offer_id":52385671741716,"sku":"0FD-009-TPU","price":2150.0,"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\/products\/2015-plus-ford-mustang-s550-6th-traction-plus-ultra-coilovers","provider":"Riaction Performance Shocks","version":"1.0","type":"link"}