{"product_id":"kpmi-valve-spring-kit-600-lift-hd-twin-cam-191-27007t","title":"KPMI Valve Spring Kit - .600 Lift HD Twin CAM — Harley-Davidson Electra Glide Classic, Sportster 883, Softail Heritage Classic (1984-2004)","description":"\u003cp\u003eKPMI valve spring kit for .600 lift Twin Cam engines, wound from premium Kobe Super-Clean Chrome Silicon wire and heat-treated, stress-relieved, and shot-peened for durability and performance. Engineered using advanced spring design simulation to match cam harmonics, stress, mass, and operating RPM for your specific application.\u003c\/p\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePremium Kobe Super-Clean Chrome Silicon wire\u003c\/li\u003e\n  \u003cli\u003eHeat-treated and stress-relieved construction\u003c\/li\u003e\n  \u003cli\u003eShot-peened finish for fatigue resistance\u003c\/li\u003e\n  \u003cli\u003eEngineered for .600 lift camshaft applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e KPMI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 20-20122\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 4.85 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 8.65 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 2.3 in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.31 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat lift camshaft are these springs rated for?\u003c\/h3\u003e\n\u003cp\u003eThese springs are engineered for .600 lift Twin Cam camshafts. Verify your cam lift before ordering.\u003c\/p\u003e\n\u003ch3\u003eDo I need new springs when upgrading my camshaft?\u003c\/h3\u003e\n\u003cp\u003eYes — upgrading to a higher-lift cam requires matching valve springs to prevent coil bind and maintain proper valve control across the RPM range.\u003c\/p\u003e\n\u003ch3\u003eWhat's included in the kit?\u003c\/h3\u003e\n\u003cp\u003eThe complete valve spring set with all springs needed for your Twin Cam engine application.\u003c\/p\u003e","brand":"KPMI","offers":[{"title":"Default Title","offer_id":53035005706351,"sku":"191-27007T","price":280.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_fa38c3af-65b5-4e9a-9eca-bd586a516dfb.png?v=1779559017","url":"https:\/\/vtwinbikers.com\/products\/kpmi-valve-spring-kit-600-lift-hd-twin-cam-191-27007t","provider":"Vtwinbikers","version":"1.0","type":"link"}