{"product_id":"dart-31213554-big-m-chevy-big-block-iron-block-4-560-in-bore-10-200-in-deck","title":"Dart 31213554 - Big M Chevy Big Block Iron Block - 4.560 in. Bore, 10.200 in. Deck","description":"\u003cp\u003eDart 31213554 - Big M Chevy Big Block Iron Block - 4.560 in. Bore, 10.200 in. Deck\u003c\/p\u003e\u003cp\u003eDart Big M2 Iron Big Block Chevy Blocks\u003c\/p\u003e\u003cp\u003eDart engineered the Big M to be the strongest, most reliable, and easiest to build big block on the market. The Dart Big M2 is designed from the ground up as a true racing engine block which can be used with standard off the shelf big block components. The Big M2 is cast from premium high strength Iron and beefed up in all the critical areas. A competition oiling system ensures adequate lubrication to the main bearings at high RPM.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eStandard 9.800 and tall 10.200 deck heights\u003c\/li\u003e\n\u003cli\u003eStandard 4.250, 4.500, 4.560 or 4.600 bore sizes with siamesed extra thick cylinder walLS2 to resist cracking and improve ring seal (minimum .300 thick with 4.625 bore)\u003c\/li\u003e\n\u003cli\u003eUses +.300 tall Gen VI style lifters. Modification for Gen IV style available\u003c\/li\u003e\n\u003cli\u003e4-bolt main bearing caps in steel or Ductile Iron have splayed outer bolts for extra strength\u003c\/li\u003e\n\u003cli\u003eLifter valley head stud bosses prevent blown head gaskets\u003c\/li\u003e\n\u003cli\u003eDual oil pan bolt patterns fit standard and notched oil pans\u003c\/li\u003e\n\u003cli\u003eParts kit included\u003c\/li\u003e\n\u003cli\u003eTrue priority main oil system lubricates the main bearings before the lifters.\u003c\/li\u003e\n\u003cli\u003eOur stepped main oil gallery (9\/16 to 1\/2 to 7\/16) increases the flow of oil to the crank at high RPM, and our front oil crossover eliminates internal oil leaks around the distributor shaft\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIndustry\u003c\/strong\u003e: \u003cspan\u003eAutomotive\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCamshaft Location\u003c\/strong\u003e: \u003cspan\u003eStandard\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCylinder Bore Diameter\u003c\/strong\u003e: \u003cspan\u003e4.560\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eDeck Height\u003c\/strong\u003e: \u003cspan\u003e10.200\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEngine Block Weight\u003c\/strong\u003e: \u003cspan\u003e250-280\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFreeze Plug Type\u003c\/strong\u003e: \u003cspan\u003ePress Fit\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCamshaft Lifter Bore\u003c\/strong\u003e: \u003cspan\u003e0.842\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMain Bearing Type\u003c\/strong\u003e: \u003cspan\u003eStandard\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMain Cap Type\u003c\/strong\u003e: \u003cspan\u003eSteel\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: \u003cspan\u003e220 BHN Cast Iron\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRear Main Seal Type\u003c\/strong\u003e: \u003cspan\u003e2-Piece\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEngine Type\u003c\/strong\u003e: \u003cspan\u003eICE\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: \u003cspan\u003eEngine Block\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEngine Block Material\u003c\/strong\u003e: \u003cspan\u003e220 BHN Cast Iron\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMake\u003c\/strong\u003e: \u003cspan\u003eChevrolet\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEngine\u003c\/strong\u003e: \u003cspan\u003eBig Block\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMake - Web\u003c\/strong\u003e: \u003cspan\u003eChevrolet\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEngine - Web\u003c\/strong\u003e: \u003cspan\u003eBig Block\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEngine Block Series\u003c\/strong\u003e: \u003cspan\u003eBig M\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eTitle - Web\u003c\/strong\u003e: \u003cspan\u003eBig M Chevy Big Block Iron Block - 4.560 in. Bore, 10.200 in. Deck\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCategory Hierarchy\u003c\/strong\u003e: \u003cspan\u003eBlocks\u0026gt;Big Block Chevy\u0026gt;BIG M2 Blocks\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRear Main Seal\u003c\/strong\u003e: \u003cspan\u003e2-Piece\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEBAY Category ID\u003c\/strong\u003e: \u003cspan\u003e33613\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Dart","offers":[{"title":"Default Title","offer_id":50515732037910,"sku":"BGWK-31213554","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0930\/0878\/9782\/files\/0_bbc_bigm_irn_block-ang135_normalized_eb7a46ca-5249-4425-829d-df4020d2b8e7.jpg?v=1777017833","url":"https:\/\/www.cspracing.com\/products\/dart-31213554-big-m-chevy-big-block-iron-block-4-560-in-bore-10-200-in-deck","provider":"Complete Street Performance","version":"1.0","type":"link"}