{"product_id":"comp-cams-camshaft-cb-xm-278h-12-cca11-240-4","title":"COMP Cams Camshaft CB XM 278H-12 - cca11-240-4","description":"*Xtreme Marine Camshafts*  * Extremely wide powerband helps get boat on plane while making maximum horsepower  * Work against exhaust systems with restrictive back pressure  * Power enhancement helps maintain top end speed for long distances  * Intended for applications where low idle speeds are required PartNumber : cca11-240-4 Description : Xtreme Marine Camshaft Title : 11-240-4 CamShaft, CB XM 278H-12 Advertised Exhaust Duration : 292 Advertised Intake Duration : 278 Assembly Lubricant Included : Yes Basic Operating RPM Range : 2,000-6,200 California Proposition 65 : WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov Cam Type : Hydraulic Flat Tappet Camshaft Gear Attachment : 3-Bolt Camshaft Material : Cast Iron Camshaft Series : Xtreme Marine Engine Family : Chevrolet 396-454 c.i. 8 Cylinder (1967-1996) Exhaust Duration at .050 inch Lift : 237 Exhaust Valve Lift : 0.566 Grind Number : XM278H Intake Duration at .050 Inch Lift : 234 Intake Valve Lift : 0.564 Lifter Style : Hydraulic Flat Tappet Lifters Included : No Lobe Separation : 112 Usage : Marine Valve Springs Required : Yes Cam and Lifter Kit Upgrade : CL11-240-4 K-Kit Upgrade : K11-240-4 SK-Kit Upgrade : SK11-240-4 Exhaust Duration @ .050 in. : 237 Intake Duration @ .050 in. : 234 Intake Valve Lift(in) : 0.564 Lifter Type : Hydraulic Flat Tappet RPM Range : 2000-9000 Exhaust Duration : 292 Exhaust Valve Lift(in) : 0.566 Intake Duration : 278   Engine Components::Camshafts ","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":42580413448447,"sku":"","price":201.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/1106\/2015\/products\/1ce4ab29799b8a7776d4a55a2b573f1b__49441.jpg?v=1647911129","url":"https:\/\/aristocrat-autosport-llc.myshopify.com\/products\/comp-cams-camshaft-cb-xm-278h-12-cca11-240-4","provider":"Aristocrat Autosport ","version":"1.0","type":"link"}