{"product_id":"gm-ls-compatible-427-c-i-engine-and-4l80e-automatic-transmission-800-horsepower-standard-edition-builder-series-supercharged","title":"GM LS Compatible 427 c.i. Engine and 4L80E Automatic Transmission - 830 Horsepower - Standard Edition Builder Series - Holley Terminator X EFI System","description":"\u003ch4\u003eOverview:\u003c\/h4\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full break-words dark markdown-new-styling\"\u003eBluePrint Engines unleashes serious LS power with this 427 c.i. Builder Series package, delivering a massive 830 horsepower and paired perfectly with a tough, street-proven 4L80E automatic transmission. This combo is built for the enthusiast who wants modern reliability with race-ready punch, all controlled by the Holley Terminator X EFI system for crisp tuning, fast starts, and razor-sharp throttle response. Precision machining, premium internals, and BluePrint’s Pro-series build quality ensure the strength to handle every bit of boost, rpm, and abuse you throw at it. For builders chasing a turnkey LS powerhouse that’s ready to hit the streets, the strip, or anywhere in between, this 427\/4L80E package is pure, modern muscle, delivered.\u003c\/div\u003e\n\u003ch4\u003eDescription: \u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eHorsepower \u0026amp; Torque: 830 Horsepower \/ 800 ft. lbs. Torque\u003c\/li\u003e\n\u003cli\u003eCompression Ratio: 9.5:1\u003c\/li\u003e\n\u003cli\u003eBluePrint Engines Aluminum Heads\u003c\/li\u003e\n\u003cli\u003eBluePrint Engines Hydraulic Roller Cam\u003c\/li\u003e\n\u003cli\u003eBluePrint Engines Forged Crank\u003c\/li\u003e\n\u003cli\u003eBluePrint Engines Forged Pistons\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"product-custom-info\"\u003eBlock:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBluePrint Engines High Strength Cast Iron Block\u003c\/li\u003e\n\u003cli\u003eIncreased Deck Thickness and Strength Webbing\u003c\/li\u003e\n\u003cli\u003eExtended Cylinder Skirt\u003c\/li\u003e\n\u003cli\u003ePriority Main Oiling\u003c\/li\u003e\n\u003cli\u003e6-Bolt Main\u003c\/li\u003e\n\u003cli\u003e1-Piece Rear Main Seal\u003c\/li\u003e\n\u003cli\u003eImproved Water Jacket Design\u003c\/li\u003e\n\u003cli\u003eUtilizes OEM LS3 Front and Rear Covers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"product-custom-info\"\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\u003eFront and Rear Internally Balanced\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"product-custom-info\"\u003eCylinder Heads:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBluePrint Aluminum Cylinder Heads - PS8015\u003c\/li\u003e\n\u003cli\u003e70cc 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 class=\"product-custom-info\"\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 class=\"product-custom-info\"\u003eIgnition Timing:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eECM Supplied with Calibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"product-custom-info\"\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 class=\"product-custom-info\"\u003eAlso Includes:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eLow Profile Rear Sump Oil Pan - BPP81074\u003c\/li\u003e\n\u003cli\u003eAll Sensors Required for Engine to Run\u003c\/li\u003e\n\u003cli\u003eDBW Throttle Body - BPP12191019\u003c\/li\u003e\n\u003cli\u003eMagnuson TVS2650 Supercharger\u003c\/li\u003e\n\u003cli\u003eSpark Plugs \u0026amp; Wires\u003c\/li\u003e\n\u003cli\u003eHarmonic Balancer\u003c\/li\u003e\n\u003cli\u003eTiming Cover\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eValve Covers\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCoil Packs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"product-custom-info\"\u003eAssembled with Complete HD 4l80e Transmission Package:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e4L80E Complete Package\u003c\/li\u003e\n\u003cli\u003eElectronic Transmission Controller Included\u003c\/li\u003e\n\u003cli\u003e3200+ Stall Torque Converter\u003c\/li\u003e\n\u003cli\u003eFlex Plate\u003c\/li\u003e\n\u003cli\u003eStarter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"product-custom-info\"\u003e4L80E Gear Ratios:\u003cbr\u003e\n\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1: 2.482\u003c\/li\u003e\n\u003cli\u003e2: 1.482\u003c\/li\u003e\n\u003cli\u003e3: 1.00\u003c\/li\u003e\n\u003cli\u003e4: 0.750\u003c\/li\u003e\n\u003cli\u003eR: 2.077\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 class=\"product-custom-info\"\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\u003cu\u003eDO NOT\u003c\/u\u003e \u003c\/strong\u003efollow the Holley EFI manual for the calibration of the ECU.\u003c\/li\u003e\n\u003cli\u003eRetro fit oil pan will fit most 1955-1995 GM front engine, RWD, V8 cars\u003cbr\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 BPPLS01013 to ensure correct MAF calculations and Dyno calibration are maintained with the provided ECU \/ tuning.\u003c\/li\u003e\n\u003cli\u003eEngine\/Trans Package Ships assembled\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"product-custom-info\"\u003e\n\u003ca style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\" href=\"https:\/\/www.p65warnings.ca.gov\/\" title=\"https:\/\/www.p65warnings.ca.gov\/\"\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\u003cbr\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-custom-info\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"BluePrint Engines","offers":[{"title":"Default Title","offer_id":50468182458654,"sku":"BLS4279SCT4L8","price":45937.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7171\/1262\/files\/BLS4279SCT4L8_176cc0ea-dc21-48e3-9389-cacabe1f71a4.jpg?v=1767160609","url":"https:\/\/platinumhpsolutions.myshopify.com\/products\/gm-ls-compatible-427-c-i-engine-and-4l80e-automatic-transmission-800-horsepower-standard-edition-builder-series-supercharged","provider":"Platinum High Performance Solutions, LLC.","version":"1.0","type":"link"}