{"product_id":"1989-1994-nissan-silvia-s13-traction-plus-ultra-coilovers","title":"1989-1994 Nissan Silvia S13 Traction Plus Ultra Coilovers","description":"\u003cp data-start=\"284\" data-end=\"637\"\u003eBring sharper response and controlled weight transfer to your \u003cstrong data-start=\"346\" data-end=\"377\"\u003e1989-1994 Nissan Silvia S13\u003c\/strong\u003e with Riaction Traction Plus Ultra coilovers. Designed for lightweight rear-wheel-drive platforms, the TPU system enhances front-end grip, improves transitional stability, and delivers more predictable rear traction during aggressive cornering and throttle input.\u003c\/p\u003e\n\u003cp data-start=\"639\" data-end=\"1005\"\u003eTraction Plus Ultra is built around our \u003cstrong data-start=\"676\" data-end=\"708\"\u003enew digressive piston design\u003c\/strong\u003e, engineered to provide firm low-speed damping for improved roll resistance and steering precision while maintaining compliance as suspension speed increases. On the S13 chassis, this translates into quicker response during rapid direction changes and greater confidence when driving at the limit.\u003c\/p\u003e\n\u003cp data-start=\"1007\" data-end=\"1449\"\u003eEach kit features a \u003cstrong data-start=\"1027\" data-end=\"1055\"\u003enickel-coated shock body\u003c\/strong\u003e for corrosion resistance and long-term durability. The \u003cstrong data-start=\"1111\" data-end=\"1154\"\u003ehex screw preload collar locking system\u003c\/strong\u003e ensures secure spring preload under repeated hard driving. Signature orange coating on non-MacPherson components adds both protection and a distinctive performance appearance, while pillowball upper mounts are included where applicable to maximize steering accuracy and suspension articulation.\u003c\/p\u003e\n\u003cp data-start=\"1451\" data-end=\"1522\"\u003eEvery Traction Plus Ultra system is backed by our 2-year factory warranty.\u003c\/p\u003e\n\u003chr data-start=\"1524\" data-end=\"1527\"\u003e\n\u003cp data-start=\"1529\" data-end=\"1571\"\u003e🔧 \u003cstrong data-start=\"1532\" data-end=\"1571\"\u003eTraction Plus Ultra Coilover Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1573\" data-end=\"2175\"\u003eFull-Length Ride Height Adjustment\u003cbr data-start=\"1607\" data-end=\"1610\"\u003e32-Level Damping Adjustment\u003cbr data-start=\"1637\" data-end=\"1640\"\u003eNew Digressive Piston Valving\u003cbr data-start=\"1669\" data-end=\"1672\"\u003eMono-Tube Damper Design\u003cbr data-start=\"1695\" data-end=\"1698\"\u003eNickel-Coated Shock Body for Corrosion Protection\u003cbr data-start=\"1747\" data-end=\"1750\"\u003eHex Screw Preload Collar Locking System\u003cbr data-start=\"1789\" data-end=\"1792\"\u003eSignature Orange Coating on Non-MacPherson Components\u003cbr data-start=\"1845\" data-end=\"1848\"\u003ePillowball Upper Mounts (When Applicable)\u003cbr data-start=\"1889\" data-end=\"1892\"\u003e44mm High-Flow CNC 6061 Aluminum Piston\u003cbr data-start=\"1931\" data-end=\"1934\"\u003eCNC 6061 Aluminum Floating Piston\u003cbr data-start=\"1967\" data-end=\"1970\"\u003ePolyurethane Oil Seals\u003cbr data-start=\"1992\" data-end=\"1995\"\u003eSAE9254 Cold-Wound Performance Springs\u003cbr data-start=\"2033\" data-end=\"2036\"\u003eMulti-Thickness Valving Shims\u003cbr data-start=\"2065\" data-end=\"2068\"\u003eLow-Gas Pressure Internal Design\u003cbr data-start=\"2100\" data-end=\"2103\"\u003e7.5w Compounded Suspension Fluid\u003cbr data-start=\"2135\" data-end=\"2138\"\u003eFully Rebuildable Coilover Assembly\u003c\/p\u003e\n\u003chr data-start=\"2177\" data-end=\"2180\"\u003e\n\u003cp data-start=\"2182\" data-end=\"2237\"\u003e⚙️ \u003cstrong data-start=\"2185\" data-end=\"2210\"\u003eFactory Spring Rates:\u003c\/strong\u003e\u003cbr data-start=\"2210\" data-end=\"2213\"\u003eFront: 8K\u003cbr data-start=\"2223\" data-end=\"2226\"\u003eRear: 6K\u003c\/p\u003e\n\u003chr data-start=\"2239\" data-end=\"2242\"\u003e\n\u003cp data-start=\"2244\" data-end=\"2357\"\u003e📧 \u003cstrong data-start=\"2247\" data-end=\"2272\"\u003eInternational Orders:\u003c\/strong\u003e\u003cbr data-start=\"2272\" data-end=\"2275\"\u003eFor international shipping inquiries, please email us at \u003ca data-start=\"2332\" data-end=\"2355\" 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=\"2359\" data-end=\"2362\"\u003e\n\u003cp data-start=\"2364\" data-end=\"2541\"\u003eElevate control and driving confidence in your 1989-1994 Nissan Silvia S13 with Traction Plus Ultra coilovers, advanced performance shocks engineered by Riaction Performance Shocks.\u003c\/p\u003e","brand":"Riaction Performance Shocks","offers":[{"title":"Factory Springs","offer_id":52385736163604,"sku":"0NS-004-TPU","price":1780.0,"currency_code":"USD","in_stock":true},{"title":"Swift Upgrade (+370)","offer_id":52385736196372,"sku":"0NS-004-TPU","price":2150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/3833\/7812\/files\/1989-1994NissanSilviaS13TractionPlusUltraCoilovers_49df711e-e2b1-4baf-a4ea-cb536e70ed0e.webp?v=1776892200","url":"https:\/\/www.riactionperformanceshocks.com\/products\/1989-1994-nissan-silvia-s13-traction-plus-ultra-coilovers","provider":"Riaction Performance Shocks","version":"1.0","type":"link"}