{"product_id":"dart-31512342-race-series-chevy-small-block-aluminum-block-4-180-in-bore-9-075-in-deck","title":"Dart 31512342 - Race Series Chevy Small Block Aluminum Block - 4.180 in. Bore, 9.075 in. Deck","description":"\u003cp\u003eDart 31512342 - Race Series Chevy Small Block Aluminum Block - 4.180 in. Bore, 9.075 in. Deck\u003c\/p\u003e\u003cp\u003eDart Race Series 4.5 Bore Spacing Aluminum Small Block Chevy Blocks\u003c\/p\u003e\u003cp\u003eThe Race Series Aluminum block features cylinder bores which have been spread to 4.500 in. from the standard 4.400 in. center to center dimension This allows larger bore diameters while maintaining adequate cylinder wall thickness and gasket sealing surface between bores\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePremium alloy: Dart Aluminum blocks are cast from proprietary RMR cast Aluminum alloy for superior strength\u003c\/li\u003e\n\u003cli\u003e4.500 bore spacing allows bore sizes up to 4.250\u003c\/li\u003e\n\u003cli\u003eStandard 17 head bolt pattern or optional 19 bolt pattern available\u003c\/li\u003e\n\u003cli\u003eDeck heights of 8.850, 9.025, 9.075 and tall deck 9.325 \u0026amp; 9.500 versions allow greater versatility for preferred rod ratio and angle\u003c\/li\u003e\n\u003cli\u003eRaised camshaft .391 (4.912 camshaft-to-crankshaft centerlines) Option for .434 raised cam aLS2o available\u003c\/li\u003e\n\u003cli\u003eRequires use of remote oil filter. No provision for block mounted filters\u003c\/li\u003e\n\u003cli\u003eRelocated oil pan raiLS2 are spread .400 per side (.800 wider than stock) to increase crank\/rod clearance and reduce windage losses\u003c\/li\u003e\n\u003cli\u003eBig block camshaft bearings allow the use of cams with larger base circle diameter to improve strength and reduce twisting with cam-driven pumps\u003c\/li\u003e\n\u003cli\u003eRear external oil inlets, with crossovers and restrictor provisions located centrally in the valley\u003c\/li\u003e\n\u003cli\u003eParts kit included\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\u003eRaised 0.391 IN\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCylinder Bore Diameter\u003c\/strong\u003e: \u003cspan\u003e4.180\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eDeck Height\u003c\/strong\u003e: \u003cspan\u003e9.075\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEngine Block Weight\u003c\/strong\u003e: \u003cspan\u003e105\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eFreeze Plug Type\u003c\/strong\u003e: \u003cspan\u003eScrew-in\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 400\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\u003eRMR Cast Aluminum Alloy\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\u003eRMR Cast Aluminum Alloy\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\u003eSmall 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\u003eSmall Block\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEngine Block Series\u003c\/strong\u003e: \u003cspan\u003eRace Series\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eTitle - Web\u003c\/strong\u003e: \u003cspan\u003eRace Series Chevy Small Block Aluminum Block - 4.180 in. Bore, 9.075 in. Deck\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCategory Hierarchy\u003c\/strong\u003e: \u003cspan\u003eBlocks\u0026gt;Small Block Chevy\u0026gt;Race Series Aluminum 4.500\" 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":50515739869462,"sku":"BGWK-31512342","price":0.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0930\/0878\/9782\/files\/0_31711113-ang135_normalized_2e1e10b9-5519-4f74-9deb-95bd210273de.jpg?v=1777017862","url":"https:\/\/www.cspracing.com\/products\/dart-31512342-race-series-chevy-small-block-aluminum-block-4-180-in-bore-9-075-in-deck","provider":"Complete Street Performance","version":"1.0","type":"link"}