{"product_id":"swift-springs-standard-coilover-spring-barrel-type-id-2-5in-8in-length","title":"Swift Springs Standard Coilover Spring (Barrel Type) - ID: 2.5\" \/ Length: 8\"","description":"\u003cp\u003eSwift Springs Standard Coilover Springs (Barrel Type) in 2.5\" ID and 8\" length are precision-engineered barrel-design race springs that eliminate spring deflection and bowing — a common problem with straight-type springs that causes rate inconsistency and damper body damage. These 2.5\" ID Swift barrel coilover springs are manufactured in Japan from proprietary H5S.TW high-tensile alloy steel, delivering superior traction, smoother weight transfer, and more predictable handling compared to conventional silicone chrome springs.\u003c\/p\u003e\n\u003cp\u003eWith over 90 years of spring manufacturing expertise, Swift Springs designed the barrel type specifically to solve deflection problems. The barrel shape prevents the spring from contacting the shock body, protecting adjusting perch threads and ensuring consistent spring rates throughout the stroke. Swift Springs coilover springs provide measurably increased traction, lower tire temperatures, and a more predictable feel that oval track, road course, drag, and off-road racers demand.\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, bowing, and shock body contact\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 — Swift Springs coilover springs are proven in time attack, road course, autocross, and drift\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\"\u003e080-250-100 B\u003c\/td\u003e\n\u003ctd 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