{"product_id":"swift-springs-standard-conventional-spring-bulletproof-od-5in-20in-length","title":"Swift Springs Standard Conventional Spring (Bulletproof) - OD: 5\" \/ Length: 20\"","description":"\u003cp\u003eSwift Springs Bulletproof Series Conventional Springs in 5\" OD and 20\" length are purpose-built for the most demanding circle track racing applications where springs face extreme repeated loading. These 5\" OD Swift Bulletproof race springs are manufactured in Japan from proprietary H5S.TW high-tensile alloy steel with enhanced durability, providing consistent rate behavior through loading conditions that would cause conventional springs to fail.\u003c\/p\u003e\n\u003cp\u003eThe Bulletproof Series was developed after years of research with top circle track racers, specifically engineered to meet the unique demands of American oval track racing at extended free lengths. All Swift Springs Bulletproof conventional springs use H5S.TW alloy for extreme fatigue resistance.\u003c\/p\u003e\n\u003ch3\u003eWhy Racers Choose Swift Springs Bulletproof Series\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePurpose-built for high-stress circle track and oval racing applications\u003c\/li\u003e\n\u003cli\u003eH5S.TW alloy delivers extreme fatigue resistance and rate consistency\u003c\/li\u003e\n\u003cli\u003e20\" free length for maximum stroke in long-travel setups\u003c\/li\u003e\n\u003cli\u003eEngineered to survive repeated high-load cycles without rate degradation\u003c\/li\u003e\n\u003cli\u003ePrecision grinding for even perch seating\u003c\/li\u003e\n\u003cli\u003eDeveloped from years of research with top circle track racers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Swift Conventional Race 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\"\u003e200-500-080 BP\u003c\/td\u003e\n\u003ctd class=\"spc\"\u003e80\u003c\/td\u003e\n\u003ctd class=\"spc\"\u003e15.8\u003c\/td\u003e\n\u003ctd class=\"spc\"\u003e15.8\u003c\/td\u003e\n\u003ctd class=\"spc\"\u003e1,263\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"spcrow\"\u003e\n\u003ctd class=\"spc\"\u003e200-500-100 BP\u003c\/td\u003e\n\u003ctd class=\"spc\"\u003e100\u003c\/td\u003e\n\u003ctd class=\"spc\"\u003e15.4\u003c\/td\u003e\n\u003ctd class=\"spc\"\u003e15.4\u003c\/td\u003e\n\u003ctd class=\"spc\"\u003e1,543\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Swift Springs","offers":[{"title":"80","offer_id":44167807795260,"sku":"200-500-080 BP","price":153.85,"currency_code":"USD","in_stock":true},{"title":"100","offer_id":44167807828028,"sku":"200-500-100 BP","price":153.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0000\/2183\/files\/200-500-080BP_2.jpg?v=1775244299","url":"https:\/\/www.springrates.com\/products\/swift-springs-standard-conventional-spring-bulletproof-od-5in-20in-length","provider":"SPRINGRATES®","version":"1.0","type":"link"}