{"product_id":"comp-cams-k31-491-9-comp-cams-k31-491-9-xtreme-energy-small-block-ford-hydraulic-roller-camshaft-kit","title":"COMP CAMS K31-491-9 COMP Cams K31-491-9 Xtreme Energy Small Block Ford Hydraulic Roller Camshaft Kit","description":"\u003cp\u003eThe COMP Cams K31-491-9 Xtreme Energy K-Kit is a complete valvetrain upgrade designed for small-block Ford applications. This hydraulic roller kit combines a matched camshaft, lifters, valve springs, and timing set to provide a coordinated performance package for street and performance builds. The camshaft profile is engineered for strong throttle response, improved mid-range power, and dependable operation across a practical engine speed range.\u003cbr\u003eThe camshaft features 0.480-inch lift at both the intake and exhaust valves, with 258\/266 degrees of advertised duration and a 110-degree lobe separation angle. Its 206\/212 profile supports a responsive driving character while maintaining useful street manners. The recommended operating range is approximately 1,200 to 4,800 rpm, making this kit suitable for naturally aspirated small-block Ford engines that need improved performance without sacrificing everyday usability.\u003cbr\u003eAs a complete COMP Cams K-Kit, part number K31-491-9, this package helps simplify component selection and installation by pairing the camshaft with compatible hydraulic roller lifters, valve springs, and a timing set. The matched components are intended to work together for reliable valve control and consistent camshaft timing. Whether used for a performance-oriented street vehicle, weekend cruiser, or mild engine build, the Xtreme Energy kit offers a practical solution for upgrading the small-block Ford valvetrain with proven COMP Cams engineering.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eComplete COMP Cams Xtreme Energy K-Kit with camshaft, hydraulic roller lifters, valve springs, and timing set\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesigned for small-block Ford engines\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eHydraulic roller camshaft profile with 0.480-inch intake and exhaust lift\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003e258\/266 degrees of advertised duration with a 110-degree lobe separation angle\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003e206\/212 performance profile for responsive street and mid-range operation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eRecommended operating range of approximately 1,200 to 4,800 rpm\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMatched components support reliable valve control and consistent timing\u003c\/li\u003e\u003c\/ul\u003e","brand":"COMP CAMS","offers":[{"title":"Default Title","offer_id":48724529840350,"sku":"COMK31-491-9","price":2186.28,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0760\/7690\/8766\/files\/COMK31-491-9.jpg?v=1787952206","url":"https:\/\/www.racingsupply.ca\/products\/comp-cams-k31-491-9-comp-cams-k31-491-9-xtreme-energy-small-block-ford-hydraulic-roller-camshaft-kit","provider":"Racing Supply Co.","version":"1.0","type":"link"}