{"title":"Digressive Ford","description":"\u003cp data-start=\"156\" data-end=\"631\"\u003eRiaction Ford coilovers are engineered to deliver improved handling, enhanced stability, and consistent control across a wide range of driving conditions. Built around a digressive piston valving system, these coilovers provide strong low-speed damping to reduce body roll, sharpen steering response, and keep your Ford composed during braking and cornering. As suspension speeds increase, the damping curve adapts to maintain ride comfort while absorbing road imperfections.\u003c\/p\u003e\n\u003cp data-start=\"633\" data-end=\"1003\"\u003eWith full-length ride height adjustment and 32 levels of damping control, Riaction Ford coilovers allow you to fine-tune your suspension setup for daily driving, aggressive street use, or track-focused performance. This flexibility gives you the ability to dial in both stance and handling characteristics while maintaining a balanced and predictable driving experience.\u003c\/p\u003e\n\u003cp data-start=\"1005\" data-end=\"1360\"\u003eConstructed with a mono-tube damper design, high-flow pistons, and corrosion-resistant materials, these performance shocks are built for durability and consistent performance under load. From platforms like the Mustang, Focus ST, and Fiesta ST, Riaction digressive coilovers deliver the grip, feedback, and control needed to get the most out of your Ford.\u003c\/p\u003e","products":[{"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\/collections\/ford-digressive-coilovers.oembed","provider":"Riaction Performance Shocks","version":"1.0","type":"link"}