{"product_id":"comp-cams-11-252-4-camshaft-cb-xm-298h-12","title":"COMP Cams 11-252-4 - Camshaft CB XM 298H-12","description":"\u003cp\u003eCOMP Cams 11-252-4 - Camshaft CB XM 298H-12\u003c\/p\u003e\u003cp\u003eXtreme Marine 254\/264 Hydraulic Flat Cam for Chevrolet Big Block 396-454\u003c\/p\u003e\u003cp\u003eJet w\/ B impeller, 10:1+ compression, river drags, bracket racing.\u003c\/p\u003e\u003cp\u003eBBC - 1965-66 396 c.i.d. models have an oiling groove in the rear journal. The listed part numbered cams will not fit these models, so if you require a Camshaft with the oiling groove, please call us at 1-800-999-0853 or \u003ca href=\"{{store%20url}}Tech-support\"\u003econtact us\u003c\/a\u003e, and we will assist you with placing an order.\u003c\/p\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGrind Number\u003c\/strong\u003e: \u003cspan\u003eXM298H\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBasic Operating RPM Range\u003c\/strong\u003e: \u003cspan\u003e3200-6,800\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIntake Duration at .050 Inch Lift\u003c\/strong\u003e: \u003cspan\u003e254\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Duration at .050 inch Lift\u003c\/strong\u003e: \u003cspan\u003e264\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAdvertised Intake Duration\u003c\/strong\u003e: \u003cspan\u003e298\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAdvertised Exhaust Duration\u003c\/strong\u003e: \u003cspan\u003e316\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eLobe Separation\u003c\/strong\u003e: \u003cspan\u003e112\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIntake Valve Lift\u003c\/strong\u003e: \u003cspan\u003e0.575\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eExhaust Valve Lift\u003c\/strong\u003e: \u003cspan\u003e0.578\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eLifters Included\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eValve Springs Required\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAssembly Lubricant Included\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCamshaft Gear Attachment\u003c\/strong\u003e: \u003cspan\u003e3-Bolt\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCamshaft Material\u003c\/strong\u003e: \u003cspan\u003eCast Iron\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEngine Family\u003c\/strong\u003e: \u003cspan\u003eChevrolet 396-454 c.i. 8 Cylinder (1967-1996)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCam and Lifter Kit Upgrade\u003c\/strong\u003e: \u003cspan\u003eCL11-252-4\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eK-Kit Upgrade\u003c\/strong\u003e: \u003cspan\u003eK11-252-4\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eLifter Type\u003c\/strong\u003e: \u003cspan\u003eHydraulic Flat Tappet\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSK-Kit Upgrade\u003c\/strong\u003e: \u003cspan\u003eSK11-252-4\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAmazon ASIN\u003c\/strong\u003e: \u003cspan\u003eB000P5B5AO\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for Racing and Off-Road Only Vehicles?\u003c\/strong\u003e: \u003cspan\u003eYes, but must be a race\/competition only vehicle.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?\u003c\/strong\u003e: \u003cspan\u003eYes, but must meet tailpipe emission standards for year of vehicle.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?\u003c\/strong\u003e: \u003cspan\u003eYes, but must meet tailpipe emission standards for year of vehicle.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?\u003c\/strong\u003e: \u003cspan\u003eYes, but must meet tailpipe emission standards for year of vehicle.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exempt for On-Road Vehicles?\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. Exemption Reason\u003c\/strong\u003e: \u003cspan\u003eN\/A\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eC.A.R.B. E.O. Number\u003c\/strong\u003e: \u003cspan\u003eN\/A\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGrind Number\u003c\/strong\u003e: \u003cspan\u003eXM298H\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCamshaft Series\u003c\/strong\u003e: \u003cspan\u003eXtreme Marine\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eUsage\u003c\/strong\u003e: \u003cspan\u003eMarine\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCam Type\u003c\/strong\u003e: \u003cspan\u003eHydraulic Flat Tappet\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":47285836480650,"sku":"COMP-11-252-4","price":320.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/0619\/2778\/files\/0_505082d53169eb45f3010037e721924b_normalized_20103a62-fc3a-481c-b6aa-1fee4888ee90.jpg?v=1776286315","url":"https:\/\/www.onlyinstock.com\/products\/comp-cams-11-252-4-camshaft-cb-xm-298h-12","provider":"Only In Stock","version":"1.0","type":"link"}