{"product_id":"swift-springs-standard-coilover-spring-barrel-type-id-3-75in-12in-length","title":"Swift Springs Standard Coilover Spring (Barrel Type) - ID: 3.75\" \/ Length: 12\"","description":"\u003cp\u003eSwift Springs Standard Coilover Springs (Barrel Type) in 3.75\" ID and 12\" length are precision-engineered barrel-design race springs for large-bore coilover dampers. These 3.75\" ID Swift barrel coilover springs are manufactured in Japan from proprietary H5S.TW high-tensile alloy steel, combining the anti-deflection barrel design with the strength needed for heavy vehicle and high-load applications.\u003c\/p\u003e\n\u003cp\u003eSwift Springs has over 90 years of precision spring manufacturing experience. The barrel design eliminates spring bowing and rate inconsistency, protecting the shock body and ensuring predictable handling. All Swift coilover springs use H5S.TW alloy for superior fatigue resistance and consistent spring rates.\u003c\/p\u003e\n\u003ch3\u003eWhy Racers Choose Swift Springs Coilover Springs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProprietary H5S.TW alloy delivers superior fatigue resistance and consistent spring rates\u003c\/li\u003e\n\u003cli\u003eBarrel design eliminates spring deflection and bowing\u003c\/li\u003e\n\u003cli\u003eFewer coils reduce unsprung weight and maximize usable shock stroke\u003c\/li\u003e\n\u003cli\u003eQuicker transient response improves traction and road surface tracking\u003c\/li\u003e\n\u003cli\u003ePrecision-ground flat ends ensure even seating on the perch\u003c\/li\u003e\n\u003cli\u003eTrusted by professional racing teams worldwide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Swift Coilover Springs are sold individually. Select your desired spring rate from the options above.\u003c\/p\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003ctable class=\"table table-striped table-primary\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"spchd\"\u003e\n\u003ctd rowspan=\"2\" width=\"25%\"\u003e\u003cstrong\u003ePART #\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSPRING RATE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eUSABLE STROKE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eMAX STROKE\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eMAX LOAD\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spchd\"\u003e\n\u003ctd\u003elbs\/inch\u003c\/td\u003e\n\u003ctd\u003einch\u003c\/td\u003e\n\u003ctd\u003einch\u003c\/td\u003e\n\u003ctd\u003elbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spcrow\"\u003e\n\u003ctd class=\"spc\"\u003e120-375-300B\u003c\/td\u003e\n\u003ctd class=\"spc\"\u003e300\u003c\/td\u003e\n\u003ctd class=\"spc\"\u003e7.6\u003c\/td\u003e\n\u003ctd class=\"spc\"\u003e8.5\u003c\/td\u003e\n\u003ctd class=\"spc\"\u003e2,539\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Swift Springs","offers":[{"title":"300","offer_id":44167806812220,"sku":"120-375-300B","price":136.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0000\/2183\/files\/200-375-200B.jpg?v=1775244298","url":"https:\/\/www.springrates.com\/products\/swift-springs-standard-coilover-spring-barrel-type-id-3-75in-12in-length","provider":"SPRINGRATES®","version":"1.0","type":"link"}