{"product_id":"fmkg-psls37681ctf","title":"BluePrint Engines 376 ci GM LS Compatible Pro Series Base Dressed Engine with EFI PSLS37681CTF","description":"\u003ch1\u003eBluePrint Engines 376 ci GM LS Compatible Pro Series Base Dressed Engine with Holley Terminator X EFI System\u003c\/h1\u003e\n\u003ch3\u003ePN. PSLS37681CTF\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHorsepower \u0026amp; Torque:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e510 Horsepower \/ 440 ft. lbs. Torque\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCylinder Heads:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eBluePrint Engines LS3 Aluminum Cylinder Heads\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompression Ratio:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e10.7:1\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCamshaft:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eHydraulic Roller Cam - .612 Intake \/ .585 Exhaust Lift and 225 Intake \/ 238 Exhaust Duration @ .050 - 113° LSA - Three Bolt Cam\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePistons:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eHypereutectic\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCrankshaft:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eNodular Iron Crank - 3.622\" Stroke and 6.125\" Rods\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMulti-Port Fuel Injection:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eHolley Terminator X Max - Gen IV Complete ECU\/Harness EFI System\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFuel Recommendation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e91+ Octane\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4 style=\"font-weight: 500;\"\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp style=\"font-weight: 400;\"\u003eThe BluePrint ever popular GM LS-Compatible 376 c.i. performance crate engine is packing a punch with 510 horsepower and 440 ft-lbs of torque, this powerplant is built to dominate. At its core lies a BluePrint Engines high-strength cast iron LSX-style block, paired with LS3 aluminum heads and a 10.7:1 compression ratio for optimal combustion efficiency. The hydraulic roller cam and hypereutectic pistons ensure smooth, reliable performance, while the nodular iron crankshaft adds durability under high stress. Fuel delivery is seamless thanks to the injectors and fuel rail kit, feeding into the LS3 cast aluminum intake manifold. A drive-by-wire throttle body and Holley Terminator X Max system provide precise control and modern tuning capabilities. Completing the setup are essentials like the LS swap oil pan, water pump, and gas pedal—making this engine not just powerful, but fully prepped for a clean, efficient swap into your next build.\u003c\/p\u003e\n\u003ch4 style=\"font-weight: 500;\"\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eHorsepower \u0026amp; Torque: 510 Horsepower \/ 440 ft. lbs. Torque\u003c\/li\u003e\n\u003cli\u003eCompression Ratio: 10.7:1\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 Hypereutectic Pistons\u003c\/li\u003e\n\u003cli\u003eNodular Iron Crankshaft\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e\u003cstrong\u003eBlock:\u003c\/strong\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\u003e4.0662\" Bore\u003c\/li\u003e\n\u003cli\u003e6-Bolt Main\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 style=\"font-weight: 500;\"\u003e\u003cstrong\u003eRotating Assembly:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eNodular Iron Crankshaft\u003c\/li\u003e\n\u003cli\u003e3.622\" Stroke\u003c\/li\u003e\n\u003cli\u003e6.098\" Connecting Rods w\/ 150,000 PSI Bolts\u003c\/li\u003e\n\u003cli\u003eHypereutectic Pistons\u003c\/li\u003e\n\u003cli\u003eInternally Balanced Front and Rear\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 style=\"font-weight: 500;\"\u003e\u003cstrong\u003eCylinder Heads:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBluePrint LS3 Aluminum Cylinder Heads\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 style=\"font-weight: 500;\"\u003e\u003cstrong\u003eCam Specs:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eHydraulic Roller Cam\u003c\/li\u003e\n\u003cli\u003e.612 Intake \/ .585 Exhaust Lift\u003c\/li\u003e\n\u003cli\u003e225 Intake \/ 238 Exhaust duration\u003c\/li\u003e\n\u003cli\u003e@.050-113 Degree Lobe Separation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 style=\"font-weight: 500;\"\u003e\u003cstrong\u003eHolley Terminator X Max Specific Features and Benefits:\u003c\/strong\u003e\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 style=\"font-weight: 500;\"\u003e\u003cstrong\u003eAlso Includes:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDrive by Wire\u003cspan\u003e \u003c\/span\u003eThrottle Body\u003c\/li\u003e\n\u003cli\u003eLS3 Cast Aluminum Intake Manifold\u003c\/li\u003e\n\u003cli\u003eLS Swap Oil Pan\u003c\/li\u003e\n\u003cli\u003eWater Pump\u003c\/li\u003e\n\u003cli\u003eInjectors and Fuel Rail Kit\u003c\/li\u003e\n\u003cli\u003eSpark Plugs \u0026amp; Wiring\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\u003eGas Pedal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 style=\"font-weight: 500;\"\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eThis engine requires a non-weighted flex plate \u003c\/li\u003e\n\u003cli\u003eRecommended fuel: 91 Octane.\u003c\/li\u003e\n\u003cli\u003eBluePrint Engines recommends a 2200+ RPM stall converter.\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.\u003c\/li\u003e\n\u003cli\u003eThis Holley EFI Equipped engine has a fully calibrated ECU by BluePrint Engines. Please \u003cb\u003e\u003cstrong\u003eDO NOT \u003c\/strong\u003e\u003c\/b\u003efollow the Holley EFI manual for the calibration of the ECU.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BluePrint Engines","offers":[{"title":"Default Title","offer_id":47094116024459,"sku":"BPEPSLS37681CTF","price":19599.82,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0554\/5495\/7707\/files\/bpepsls37681ctf-22233ac5752e4d5dbc7a3afc7a1d499a4baa0714.jpg?v=1779980578","url":"https:\/\/jbspowercentre.com\/products\/fmkg-psls37681ctf","provider":"JBs Power Centre","version":"1.0","type":"link"}