{"product_id":"comp-cams-42-602-11-big-mutha-thumpr-243-257-hydraulic-roller-cam-for-oldsmobile-260-455","title":"COMP Cams 42-602-11 - Camshaft, Ol 299Th R7 Thumpr","description":"\u003cp\u003eCOMP Cams 42-602-11 - Camshaft, Ol 299Th R7 Thumpr\u003c\/p\u003e\u003cp\u003eBig Mutha' Thumpr 243\/257 Hydraulic Roller Cam for Oldsmobile 260-455\u003c\/p\u003e\u003cp\u003eStreet\/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.\u003c\/p\u003e\u003cp\u003eBig Mutha' Thumpr 243\/257 Hydraulic Roller Cam\u003c\/p\u003e\u003cdiv\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\u003e299THR7\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCamshaft Series\u003c\/strong\u003e: \u003cspan\u003eThumpr\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGrind Number\u003c\/strong\u003e: \u003cspan\u003e299THR7\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eLobe Separation\u003c\/strong\u003e: \u003cspan\u003e107\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\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCamshaft Gear Attachment\u003c\/strong\u003e: \u003cspan\u003e1-Bolt\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCamshaft Material\u003c\/strong\u003e: \u003cspan\u003eBillet Steel\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCam and Lifter Kit Upgrade\u003c\/strong\u003e: \u003cspan\u003eCL42-602-11\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEngine Family\u003c\/strong\u003e: \u003cspan\u003eOldsmobile 260-455 c.i. 8 Cylinder (1967-1990)\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eK-Kit Upgrade\u003c\/strong\u003e: \u003cspan\u003eK42-602-11\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAmazon ASIN\u003c\/strong\u003e: \u003cspan\u003eN\/A\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\u003c\/div\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":51210131407126,"sku":"COMP-42-602-11","price":589.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0930\/0878\/9782\/files\/0_ae9a7eb5c339e08109c97ed93ae6cdc4l_normalized_3f63cfa5-5d54-4a51-8ab4-6aa871f42a78.jpg?v=1779225948","url":"https:\/\/www.cspracing.com\/products\/comp-cams-42-602-11-big-mutha-thumpr-243-257-hydraulic-roller-cam-for-oldsmobile-260-455","provider":"Complete Street Performance","version":"1.0","type":"link"}