{"product_id":"gm-ls-compatible-427-c-i-proseries-engine-640-hp-base-dressed-fuel-injected","title":"GM LS Compatible 427 c.i. Pro Series Engine - 600 Horsepower - Base Dressed - No ECU \/ Harness","description":"\u003ch4\u003eOverview:\u003c\/h4\u003e\n\u003cp\u003eThe LS-compatible layout has become a favorite for its rock-solid reliability and proven track record, this BluePrint 427 c.i. Pro Series is a street-ready powerhouse built for performance. Delivering a power packed 600 horsepower and 530 ft-lbs of torque, this popular LS-compatible engine is perfect for restomods, street machines, and pro-touring builds. At its core is a high-strength BluePrint cast iron block with LSX-style features—thicker decks, reinforced webbing, and extended cylinder skirts for added durability. It's topped with LS3-style aluminum heads, a 11:1 compression ratio, hydraulic roller cam, hypereutectic pistons, a nodular iron crankshaft, and\u003cspan\u003e BluePrint Engines Fabbed Aluminum\u003c\/span\u003e Intake Manifold.\u003c\/p\u003e\n\u003ch4\u003eDescription: \u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eHorsepower \u0026amp; Torque: 600 Horsepower \/ 530 FT LBS\u003c\/li\u003e\n\u003cli\u003eCompression Ratio: 11:1\u003c\/li\u003e\n\u003cli\u003eBluePrint Engines LS3 Aluminum Heads\u003c\/li\u003e\n\u003cli\u003eBluePrint Engines Hydraulic Roller Cam\u003c\/li\u003e\n\u003cli\u003eBluePrint Engines Forged Pistons\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBluePrint Engines Forged Crank\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003e\u003cspan\u003eBlock:\u003c\/span\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBluePrint Engines High Strength Cast Iron (LSX Style) Block\u003c\/li\u003e\n\u003cli\u003eIncreased Deck Thickness and Strength Webbing\u003c\/li\u003e\n\u003cli\u003eUtilizes OEM LS3 Front and Rear Covers\u003c\/li\u003e\n\u003cli\u003eImproved Water Jacket Design\u003c\/li\u003e\n\u003cli\u003eExtended Cylinder Skirt\u003c\/li\u003e\n\u003cli\u003e1-Piece Rear Main Seal\u003c\/li\u003e\n\u003cli\u003ePriority Main Oiling\u003c\/li\u003e\n\u003cli\u003e4.0695\" Bore\u003c\/li\u003e\n\u003cli\u003e6-Bolt Main\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eRotating Assembly:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eForged Crankshaft\u003c\/li\u003e\n\u003cli\u003e4.125\" Stroke\u003c\/li\u003e\n\u003cli\u003eForged 6.125\" Connecting Rods\u003c\/li\u003e\n\u003cli\u003eForged Pistons\u003c\/li\u003e\n\u003cli\u003eInternally Balanced Front and Rear\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCylinder Heads:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBluePrint Aluminum Cylinder Heads- \u003ca rel=\"noopener\" title=\"PS8015\" href=\"https:\/\/blueprintengines.com\/collections\/cylinder-heads\/products\/gm-ls-aluminum-cylinder-head-259cc-std-head-bolts-assembled-ps8015\" target=\"_blank\"\u003ePS8015\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e69cc Chamber\u003c\/li\u003e\n\u003cli\u003e2.165\" Intake \/ 1.590\" Exhaust Valves\u003c\/li\u003e\n\u003cli\u003e259cc Intake \/ 102cc Exhaust Runners\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCam Specs:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eHydraulic Roller\u003c\/li\u003e\n\u003cli\u003e.624 Intake \/ .624 Exhaust Lift\u003c\/li\u003e\n\u003cli\u003e239 Intake \/ 255 Exhaust Duration\u003c\/li\u003e\n\u003cli\u003e@.050-114 Degree Lobe Separation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eAlso Includes:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eThis engine Does NOT come with a Fuel Injection ECU and Wiring Harness\u003c\/li\u003e\n\u003cli\u003eLS3 Fabricated Intake Manifold \u0026amp; Fuel Rail - \u003ca rel=\"noopener\" href=\"https:\/\/blueprintengines.com\/collections\/intake-manifolds\/products\/intake-manifold-bpe-logo-ls3-90mm-aluminum-black\" target=\"_blank\"\u003e\u003cspan\u003eBPP822112\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eDrive by Wire\u003c\/span\u003e Throttle Body - \u003ca rel=\"noopener\" href=\"https:\/\/blueprintengines.com\/products\/87mm-ls-based-throttle-body-truck-suv-oem-drive-by-wire-throttle-body?_pos=1\u0026amp;_psq=BPP12191019\u0026amp;_ss=e\u0026amp;_v=1.0\" target=\"_blank\"\u003e\u003cspan\u003eBPP12191019\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eRetro Fit Oil Pan - \u003ca rel=\"noopener\" href=\"https:\/\/blueprintengines.com\/products\/ls-oil-pan-swap-kit-rear-sump-oil-pan-kit-for-muscle-car-truck-engine-swap?_pos=1\u0026amp;_psq=BPP81074\u0026amp;_ss=e\u0026amp;_v=1.0\" target=\"_blank\"\u003e\u003cspan\u003eBPP81074\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eWater Pump - \u003ca rel=\"noopener\" href=\"https:\/\/blueprintengines.com\/products\/aluminum-gm-ls1-ls6-1997-1906-water-pump-bppls126wp?_pos=1\u0026amp;_sid=f569f410f\u0026amp;_ss=r\" target=\"_blank\"\u003e\u003cspan\u003eBPPLS126WP\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eSpark Plugs and Wires\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHarmonic Balancer\u003c\/li\u003e\n\u003cli\u003eTiming Cover\u003c\/li\u003e\n\u003cli\u003eValve Covers\u003c\/li\u003e\n\u003cli\u003eCoil Packs\u003c\/li\u003e\n\u003cli\u003eInjectors\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eNotes:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eThis engine requires a non-weighted flex plate\/flywheel.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eRecommended fuel: 91 Octane.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eBluePrint Engines recommends a 2200+ RPM stall converter.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eRetro fit oil pan will fit most 1955-1995 GM front engine, RWD, V8 cars.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eNot for use in pollution-controlled vehicles or in dry sump applications.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eDoes NOT include engine controller. This is a dressed long block only. No Harness\/ECU provided. This is for customers wishing to use their own engine controller package. \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eBluePrint Engines Recommends Air Intake Kit \u003ca href=\"https:\/\/blueprintengines.com\/products\/blueprint-engines-air-intake-kit-for-ls-engines\"\u003eBPPLS01013\u003c\/a\u003e.\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"product-custom-info\"\u003e\u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\" title=\"https:\/\/www.p65warnings.ca.gov\/\" style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2160\/9839\/files\/warning.png?v=1634161036\"\u003e \u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2160\/9839\/files\/emissions5.png?v=1634153040\"\u003e\u003c\/a\u003e\u003c\/div\u003e","brand":"BluePrint Engines","offers":[{"title":"Default Title","offer_id":50468173414686,"sku":"PSLS42750CTF","price":18247.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7171\/1262\/files\/PSLS42750CTF.jpg?v=1767160429","url":"https:\/\/platinumhpsolutions.myshopify.com\/fr\/products\/gm-ls-compatible-427-c-i-proseries-engine-640-hp-base-dressed-fuel-injected","provider":"Platinum High Performance Solutions, LLC.","version":"1.0","type":"link"}