{"product_id":"dart-31837221-ls-next-chevy-ls-gen-iii-iron-block-4-125-in-bore-9-450-in-deck","title":"Dart 31837221 - LS NEXT Chevy LS Gen III Iron Block - 4.125 in. Bore, 9.450 in. Deck","description":"\u003cp\u003eDart 31837221 - LS NEXT Chevy LS Gen III Iron Block - 4.125 in. Bore, 9.450 in. Deck\u003c\/p\u003e\u003cp\u003eDart LS Next Iron Gen III Blocks\u003c\/p\u003e\u003cp\u003eDesigned from a clean slate approach the LS Next Iron block has addressed the shortcomings of the LS platform and is the ideal candidate for hot rodders, drag racers, circle track competitors, off-roaders, and high performance marine enthusiasts. By utilizing conventional style main caps and oil pans with LS rotating assemblies and related components, Dart has addressed the windage and oil control problems which result from the factory LS engine's separated crankcase bays.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePriority main oiling system with two lifter crossovers and restrictor provisions\u003c\/li\u003e\n\u003cli\u003eSiamesed cylinder bores with extra thick walLS2\u003c\/li\u003e\n\u003cli\u003eCylinder barreLS2 extended .375in at the bottom\u003c\/li\u003e\n\u003cli\u003eExtra thick decks ensure reliable head gasket seal\u003c\/li\u003e\n\u003cli\u003eBlind head bolt holes available in 7\/16in or 1\/2in\u003c\/li\u003e\n\u003cli\u003eScalloped water jackets increase flow around cylinders for better cooling\u003c\/li\u003e\n\u003cli\u003eClearance for 4.100in stroke w\/ steel rods\u003c\/li\u003e\n\u003cli\u003eMUST BE clearanced for center counterweighted crankshafts\u003c\/li\u003e\n\u003cli\u003eSplayed outer bolts on middle main bearing style motor mounts\u003c\/li\u003e\n\u003cli\u003eProvisions for OE stock roller lifters and stock timing covers and stock rear cover\u003c\/li\u003e\n\u003cli\u003eAll OE bolt holes for starter, water pump, or passenger side starter mounts\u003c\/li\u003e\n\u003cli\u003eParts kit sold separately (PN: 32000016)\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\u003e4.125\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eDeck Height\u003c\/strong\u003e: \u003cspan\u003e9.450\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEngine Block Weight\u003c\/strong\u003e: \u003cspan\u003e227\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\u003e0.824\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMain Bearing Type\u003c\/strong\u003e: \u003cspan\u003eChevrolet LS\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\u003eStock\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\u003eLS Gen III\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\u003eLS Gen III\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEngine Block Series\u003c\/strong\u003e: \u003cspan\u003eLS NEXT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eTitle - Web\u003c\/strong\u003e: \u003cspan\u003eLS NEXT Chevy LS Gen III Iron Block - 4.125 in. Bore, 9.450 in. Deck\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCategory Hierarchy\u003c\/strong\u003e: \u003cspan\u003eBlocks\u0026gt;Gen III LS Next\u0026gt;LS Next Blocks\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRear Main Seal\u003c\/strong\u003e: \u003cspan\u003eStock\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":50515743736086,"sku":"BGWK-31837221","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0930\/0878\/9782\/files\/0_lsn_irn_block-ang135_normalized_119d09f3-d2b9-4b9b-97d9-31c1dc16e780.jpg?v=1777017880","url":"https:\/\/www.cspracing.com\/products\/dart-31837221-ls-next-chevy-ls-gen-iii-iron-block-4-125-in-bore-9-450-in-deck","provider":"Complete Street Performance","version":"1.0","type":"link"}