{"product_id":"comp-cams-camshaft-cs-x4-258hr-11-cca12-409-8","title":"COMP Cams Camshaft CS X4 258HR-11 - cca12-409-8","description":"*Xtreme 4x4 Camshafts*  * Improved throttle response and increased low \u0026amp; mid-range RPM horsepower for towing and off-road  * Designed for use with common restrictive factory exhaust systems, including OEM exhaust manifolds PartNumber : cca12-409-8 Description : Xtreme 4 X 4 Camshaft Title : 12-409-8 CamShaft, CS X4 258HR-11 Advertised Exhaust Duration : 262 Advertised Intake Duration : 258 Assembly Lubricant Included : No Basic Operating RPM Range : 1,000-5,000 California Proposition 65 : WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov Cam Type : Hydraulic Roller Camshaft Gear Attachment : 3-Bolt Camshaft Material : Austempered Ductile Iron Camshaft Series : Xtreme 4x4 Engine Family : Chevrolet 262-400 c.i. 8 Cylinder (1958-1998) Exhaust Duration at .050 inch Lift : 210 Exhaust Valve Lift : 0.458 Grind Number : X4258HR Intake Duration at .050 Inch Lift : 206 Intake Valve Lift : 0.458 Lifter Style : Hydraulic Roller Lifters Included : No Lobe Separation : 111 Usage : Street\/Performance Valve Springs Required : Yes Cam and Lifter Kit Upgrade : CL12-409-8 K-Kit Upgrade : K12-409-8 SK-Kit Upgrade : SK12-409-8 Intake Duration @ .050 in. : 206 Exhaust Duration : 262 Exhaust Valve Lift(in) : 0.458 Intake Duration : 258 Lifter Type : Hydraulic Roller Exhaust Duration @ .050 in. : 210 RPM Range : 1000-7000 Intake Valve Lift(in) : 0.458   Engine Components::Camshafts ","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":42580489732351,"sku":"","price":416.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/1106\/2015\/products\/1ce4ab29799b8a7776d4a55a2b573f1b__61673.jpg?v=1647913949","url":"https:\/\/aristocrat-autosport-llc.myshopify.com\/products\/comp-cams-camshaft-cs-x4-258hr-11-cca12-409-8","provider":"Aristocrat Autosport ","version":"1.0","type":"link"}