{"product_id":"shelby-performance-parts-carroll-shelby-engine-co-427-bare-block-z61-csx10102","title":"Shelby Performance Parts Carroll Shelby Engine Co. 427 Bare Block - Z61-CSX10102","description":"\u003cdiv\u003eFully redesigned, the Shelby 427 Alloy FE Block is 45 percent lighter, yet stronger than the factory cast iron version. It retains original factory engine mounting bosses and bell housing bolt pattern, making it a bolt-in replacement for 390\/427\/428 cast iron FE blocks. The Shelby FE block is fully CNC machined.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eThe Shelby block offers these premium performance features:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003eDeep lifter valley reinforcing webs combined with thick oil pan rails and main webs maximize block strength.\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003eThick 0.750-inch deck delivers the foundation needed for maximum head gasket sealing and retention.\u003c\/div\u003e\n\u003cdiv\u003ePriority main oiling system. With the oil gallery raised adjacent to the camshaft bore, oil flow is directed to main bearings first, before going to the cam bearing. Crank life is maximized. .\u003c\/div\u003e\n\u003cdiv\u003eShelby's FE alloy block delivers superior bottom end stability at high rpm.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003eShelby 427 FE Aluminum Block Technical Features:\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003eBlock Material AA356,T6 aluminum Blocks is CNC machined\u003c\/div\u003e\n\u003cdiv\u003eDeck Height 10.150-inch\u003c\/div\u003e\n\u003cdiv\u003eDeck Thickness 0.750-inch\u003c\/div\u003e\n\u003cdiv\u003eCylinder bore range 4.250-inch,std., Big Bore option 4.375\u003c\/div\u003e\n\u003cdiv\u003eMaximum Stroke 4.375-inch\u003c\/div\u003e\n\u003cdiv\u003eDisplacements up to 526 cubic inches\u003c\/div\u003e\n\u003cdiv\u003eCylinder sleeve Centrifugally cast ductile iron\u003c\/div\u003e\n\u003cdiv\u003eCylinder wall Siamese with dry liners\u003c\/div\u003e\n\u003cdiv\u003eMain bearing cap Steel or 7075 Heat treated billet aluminum\u003c\/div\u003e\n\u003cdiv\u003eMain bearing cap bolt\u003c\/div\u003e\n\u003cdiv\u003econfiguration studs;4cross bolts on 2-3-4 mains\u003c\/div\u003e\n\u003cdiv\u003eMain journal diameter 2.942-inch\u003c\/div\u003e\n\u003cdiv\u003eoil sump Accommodates wet or dry sump oiling systems\u003c\/div\u003e\n\u003cdiv\u003eHead stud diameter 0.500-inch\u003c\/div\u003e\n\u003cdiv\u003eBare block weight 125 pounds, approximately\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"Shelby Performance Parts","offers":[{"title":"Default Title","offer_id":48150414262530,"sku":"SPP-Z61-CSX10102","price":9118.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/0618\/0354\/files\/Z61-CSX10102-2.jpg?v=1785027002","url":"https:\/\/www.lethalperformance.com\/products\/shelby-performance-parts-carroll-shelby-engine-co-427-bare-block-z61-csx10102","provider":"Lethal Performance","version":"1.0","type":"link"}