{"product_id":"blueprint-motorsports-gm-ls-compatible-427-c-i-pro-series-engine-power-adder-short-block","title":"BluePrint Motorsports GM LS Compatible 427 C.i. Pro-Series Engine - Power Adder - Short Block","description":"The new BPE LS Iron Block 427 Stroker Short Block is built as a strong foundation for high-horsepower power adder applications. Featuring a durable iron LS block and a fully forged rotating assembly, this short block is designed to handle supercharged, turbocharged, or nitrous combinations with confidence. It includes forged pistons with a 4.070 bore, forged H-beam rods, and an 8-weight forged crankshaft with a 58x reluctor ring, all internally balanced for smooth and reliable performance. Finished with a 6-bolt crank flange for added strength, this 427 LS short block is an excellent choice for serious street or race builds looking for durability and big power capability.\r\n\u003cul\u003e\t\u003cli\u003eBluePrint Engines GM LS Compatible 427 c.i. Pro-Series Engine - Short Block\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003eAttributes:\u003c\/h3\u003e\r\n\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\r\n\u003cli\u003e\n\u003cb\u003eBrand Name: \u003c\/b\u003eBluePrint Engines\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eGTIN: \u003c\/b\u003e00887753994172\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eBlock Description: \u003c\/b\u003e6-Bolt Studded Main, 4.0695\" Bore\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eCompression Ratio: \u003c\/b\u003e9.5:1 with 77cc Heads\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eEngine Balance: \u003c\/b\u003eInternally Balanced Front and Rear\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003ePistons: \u003c\/b\u003eForged Pistons - Dish - 22cc\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eQuantity: \u003c\/b\u003eSold Individually\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eRear Main Seal Style: \u003c\/b\u003eOne-Piece\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eRotating Assembly: \u003c\/b\u003eForged Crank 4.125\" Stroke - H-Beam 6.125\" Connecting Rods\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003eExtended Information:\u003c\/h3\u003e\r\n\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\r\n\u003cli\u003e\n\u003cb\u003eCountry of Origin: \u003c\/b\u003eUS\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eEmissions : \u003c\/b\u003eRacing or Pre-Emissions Use Only\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003ePacking Information:\u003c\/h3\u003e\r\n\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\r\n\u003cli\u003e\n\u003cb\u003eQuantity of Each: \u003c\/b\u003e1\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003ePackage UOM: \u003c\/b\u003eEA\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eDimension: \u003c\/b\u003e26 x 23.5 x 22.5 inches\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eWeight: \u003c\/b\u003e200 POUNDS\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cdiv id=\"sema-product-fitment\" class=\"product__accordion accordion fitment\"\u003e\u003c\/div\u003e","brand":"BluePrint Engines","offers":[{"title":"Default Title","offer_id":66795975442477,"sku":"FMKG-BPMS4271SBLS","price":9748.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0646\/2780\/2157\/files\/Rep_20Images_1_7db4d656-7bfe-443f-921e-162e943516fc.jpg?v=1780259123","url":"https:\/\/montgomeryparts.com\/products\/blueprint-motorsports-gm-ls-compatible-427-c-i-pro-series-engine-power-adder-short-block","provider":"Montgomery Parts","version":"1.0","type":"link"}