{"product_id":"ccak12-408-8","title":"COMP Cams Camshaft Kit CS XR258HR-10","description":"\u003cp\u003eSKU: K12-408-8 Xtreme Energy™ 206\/212 Hydraulic Roller Cam for Chevy Small Block. Very strong torque with excellent mileage and a smooth idle. Xtreme Energy Cams™ bridge the gap between Magnum street cams and race only cams. Xtreme Energy Cams™ provide increased torque, vacuum, response, and power while still providing quiet operation of the valve train and the durability required in daily driven vehicles.\u003cbr\u003e\nIncludes Cam, Lifters, Valve Springs, Retainers, Locks, Seals, \u0026amp; Timing Set\u003cbr\u003e\nXtreme Energy™\u003cbr\u003e\nBenefits:\u003cbr\u003e\nQuicker opening lobe profiles deliver increased responsiveness \u0026amp; more area under the lift curve More vacuum allows a step up in duration for greater performance Best seller; excellent all around performance in street carbureted applications\u003cbr\u003e\nImportant Considerations:\u003cbr\u003e\nWork best with COMP Cams® roller rockers and matched valve springs Require other performance parts (intake manifold, headers, etc.) for best performance\u003cbr\u003e\nDyno Results\u003cbr\u003e\nCamshaft Part #12-408-8Grind #XR258HR-10\u003cbr\u003e\nDuration @ 0.006\":258° \/ 264°Duration @ 0.050\":206° \/ 212°\u003cbr\u003e\nMax Lift w\/ 1.5RR: .480\" \/ .487\"Lobe Separation:110°\u003cbr\u003e\nLobe ID#'s:3311 \/ 3312Intake Centerline:106°\u003cbr\u003e\nEngine Type:Chevrolet 350 Small Block\u003cbr\u003e\nBore:4.040\"Stroke:3.480\"\u003cbr\u003e\nDisplacement:356ciCompression:9.25:1\u003cbr\u003e\nHeads:Dart S\/RIntake:Edelbrock Performer\u003cbr\u003e\nCarburetor:Holley #3310 Vac. Sec.Exhaust:1 5\/8\" Headers\u003cbr\u003e\nMax Torque:413 ft*lbs @ 3700 RPMMax Power:325 HP @ 4400 RPM\u003cbr\u003e\nManifold Vacuum:17\" Hg @ 800 RPM \u0026amp; 18\" Hg @ 1000 RPM w\/ no load.\u003c\/p\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":41361373855857,"sku":"ccaK12-408-8","price":2067.71,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1088\/6742\/files\/k08-300-8_1100_74.jpg?v=1735107498","url":"https:\/\/www.parkautomotorsports.ca\/products\/ccak12-408-8","provider":"Park Auto Motorsports","version":"1.0","type":"link"}