{"product_id":"gm-ls-compatible-427-c-i-pro-series-engine-585-horsepower-base-dressed-holley-terminator-x-efi-system","title":"GM LS Compatible 427 c.i. Pro Series Engine - 585 Horsepower - Base Dressed - Holley Terminator X EFI System","description":"\u003ch4\u003eOverview:\u003c\/h4\u003e\n\u003cp\u003eThis powerhouse of an engine setup is built to deliver serious performance, boasting an impressive 585 horsepower and 520 ft. lbs. of torque. At its core is a BluePrint Engines high-strength cast iron LSX-style block, paired with forged internals including a crank and pistons for maximum durability under pressure. The 11:1 compression ratio ensures efficient combustion and power delivery, while the LS3 aluminum heads and hydraulic roller cam for enhanced airflow and responsiveness. Feeding this beast is a cast aluminum LS3 intake manifold, matched with high-performance injectors and a fuel rail kit. The drive-by-wire throttle body offers modern precision, and the LS swap oil pan, water pump, and gas pedal round out the essentials for seamless integration. Tying it all together is the Holley Terminator X Max system, providing advanced engine management and tuning capabilities. This setup isn’t just built—it’s engineered to dominate.\u003c\/p\u003e\n\u003ch4\u003eDescription: \u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eHorsepower \u0026amp; Torque: 585 Horsepower \/ 520 ft. lbs. Torque\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\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBluePrint Engines Forged Crank\u003c\/li\u003e\n\u003cli\u003eBluePrint Engines Forged Pistons\u003cbr\u003e\n\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\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e6-Bolt Main\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eRotating Assembly:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eNew Forged 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\u003cbr\u003e\n\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\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eHolley Terminator X Max Specific Features and Benefits:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eReal Time Fuel Map Learning Simplifies Tuning by Dynamically Adjusting the Base Fuel Rate\u003c\/li\u003e\n\u003cli\u003eOn Board Bosch LSU 4.9 Wideband Control, Enabling Accurate AFR Readings and Closed Loop Tuning\u003c\/li\u003e\n\u003cli\u003eEight High Impedance Injector Drivers, Ideal for Stock LS Injectors and Holley EFI Injectors\u003c\/li\u003e\n\u003cli\u003eIntegrated 1-Bar MAP Sensor for Naturally Aspirated or Nitrous Setups, with Harness Support for External Higher Bar Sensors if needed\u003c\/li\u003e\n\u003cli\u003e4 Configurable Inputs (12V, Ground, 5V, Frequency) and 2 Outputs (Ground, PWM) - Ideal for Electric Fans, Boost Control Solenoids, Nitrous Control and more\u003c\/li\u003e\n\u003cli\u003eFree PC Tuning Software via USB\/CAN Interface for Full Laptop Control and Advance Setup\u003c\/li\u003e\n\u003cli\u003eIntegrated 3.5\" Touchscreen Handheld with Setup Wizard, Internal Data Logging, and Real Time Gauge Displays\u003c\/li\u003e\n\u003cli\u003eTerminator X Max ECU will Include a Base Timing Map Pre-Configured for this engine\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eAlso Includes:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eDrive by Wire\u003c\/span\u003e Throttle Body - \u003ca rel=\"noopener\" href=\"https:\/\/blueprintengines.com\/collections\/throttle-bodies\/products\/87mm-ls-based-throttle-body-truck-suv-oem-drive-by-wire-throttle-body\" target=\"_blank\"\u003e\u003cspan\u003eBPP12191019\u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLS3 Cast Aluminum Intake Manifold\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eLS Swap Oil Pan - \u003ca rel=\"noopener\" href=\"https:\/\/blueprintengines.com\/collections\/pans-dipsticks\/products\/ls-oil-pan-swap-kit-rear-sump-oil-pan-kit-for-muscle-car-truck-engine-swap\" target=\"_blank\"\u003e\u003cspan\u003eBPP81074\u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWater Pump - \u003ca rel=\"noopener\" href=\"https:\/\/blueprintengines.com\/collections\/water-pumps\/products\/aluminum-gm-ls1-ls6-1997-1906-water-pump-bppls126wp\" target=\"_blank\"\u003e\u003cspan\u003eBPPLS126WP\u003c\/span\u003e\u003c\/a\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eInjectors and Fuel Rail Kit\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSpark Plugs \u0026amp; Wiring\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHarmonic Balancer \u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTiming Cover\u003c\/li\u003e\n\u003cli\u003eValve Covers\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCoil Packs\u003c\/li\u003e\n\u003cli\u003eGas Pedal\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eNotes:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eThis Holley EFI Equipped engine has a fully calibrated ECU by BluePrint Engines. Please \u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eDO NOT\u003c\/span\u003e \u003c\/strong\u003efollow the Holley EFI manual for the calibration of the ECU.\u003c\/li\u003e\n\u003cli\u003eThis engine requires a non-weighted flex plate\/flywheel.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eRetro fit oil pan will fit most 1955-1995 GM front engine, RWD, V8 cars\u003c\/li\u003e\n\u003cli\u003eNot for use in pollution-controlled vehicles or in dry sump applications.\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBluePrint Engines Recommends Air Intake Kit \u003ca href=\"https:\/\/blueprintengines.com\/products\/blueprint-engines-air-intake-kit-for-ls-engines\"\u003eBPPLS01013\u003c\/a\u003e to ensure correct MAF calculations and Dyno calibration are maintained with the provided ECU \/ tuning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"product-custom-info\"\u003e\u003ca style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\" title=\"https:\/\/www.p65warnings.ca.gov\/\" href=\"https:\/\/www.p65warnings.ca.gov\/\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2160\/9839\/files\/warning.png?v=1634161036\" alt=\"\"\u003e \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2160\/9839\/files\/emissions5.png?v=1634153040\" alt=\"\"\u003e\u003c\/a\u003e\u003c\/div\u003e","brand":"BluePrint Engines","offers":[{"title":"Default Title","offer_id":50468193108254,"sku":"PSLS42781CTF","price":20093.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7171\/1262\/files\/PSLS42781CTF_3_1.jpg?v=1767160854","url":"https:\/\/platinumhpsolutions.myshopify.com\/fr\/products\/gm-ls-compatible-427-c-i-pro-series-engine-585-horsepower-base-dressed-holley-terminator-x-efi-system","provider":"Platinum High Performance Solutions, LLC.","version":"1.0","type":"link"}