BluePrint Engines
BluePrint Engines Pro Series LS 376 C.I. 525HP Base Dressed Crate Engine w/Holley Terminator X EFI System PSLS37651CTF
- PART NUMBER:
- PSLS37651CTF
- MPN:
- PSLS37651CTF
- Availability:
- Ships from Manufacturer
- Shipping:
- Free Over $98 in US 48
- Type:
- Crate Engines
- Block:
- High Strength Cast Iron (LSX Style) Block
- Cylinder Heads:
- Aluminum
- Crankshaft:
- Nodular Iron Crankshaft
- Crankshaft Reluctor:
- 58x
- Crankshaft Stroke (in.):
- 3.622
- Rod Length (in.):
- 6.098
- Rod Bolts Tensile:
- 150,000 PSI
- Piston Bore (in.):
- 4.0662
- Piston Material:
- Hypereutectic
- Compression Ratio:
- 10.7:1
- Camshaft Included:
- Yes
- Electronics Included:
- Yes
- Quantity:
- Sold Individually
- Notes:
- This engine requires a non-weighted flex plate/flywheel.
Description
BluePrint Engines Pro Series LS 376 C.I. 525HP Base Dressed Crate Engine w/Holley Terminator X EFI System PSLS37651CTF
This LS3 compatible engine build is a formidable fusion of strength, precision, and performance, anchored by BluePrint Engines’ high-strength cast iron LSX-style block. It churns out a commanding 525 horsepower and 460 ft. lbs. of torque, with a 10.7:1 compression ratio that ensures both power and efficiency. The setup features BluePrint’s aluminum heads, hydraulic roller cam, and hypereutectic pistons, all working in concert with a nodular iron crankshaft for durability under high-stress conditions. Air and fuel delivery are optimized through a Holley Terminator X Max system, LS3 fabricated aluminum intake manifold, and a matched injector and fuel rail kit. The LS Swap oil pan ensures seamless integration, while the drive-by-wire throttle body adds modern responsiveness. Altogether, this engine is engineered to deliver relentless performance with rock-solid reliability—perfect for enthusiasts who demand power without compromise.
Horsepower & Torque: 525 Horsepower / 460 ft. lbs. Torque
Compression Ratio: 10.7:1
BluePrint Engines LS3 Aluminum Heads
BluePrint Engines Hydraulic Roller Cam
BluePrint Engines Hypereutectic Pistons
Nodular Iron Crankshaft
Block:
BluePrint Engines High Strength Cast Iron (LSX Style) Block
Increased Deck Thickness and Strength Webbing
Utilizes OEM LS3 Front and Rear Covers
Improved Water Jacket Design
Extended Cylinder Skirt
1-Piece Rear Main Seal
Priority Main Oiling
4.0622" Bore
6-Bolt Main
Rotating Assembly:
Nodular Iron Crankshaft
3.622" Stroke
6.098" Connecting Rods w/ 150,000 PSI Bolts
Hypereutectic Pistons
Internally Balanced Front and Rear
Cylinder Heads:
BluePrint LS3 Aluminum Cylinder Heads - PS8015
69cc Chamber
2.165" Intake / 1.590" Exhaust Valves
259cc Intake / 102cc Exhaust Runners
Cam Specs:
Hydraulic Roller Cam
.612 Intake / .585 Exhaust Lift
225 Intake / 238 Exhaust Duration
@.050-113 Degree Lobe Separation
Holley Terminator X Max Specific Features and Benefits:
Real Time Fuel Map Learning Simplifies Tuning by Dynamically Adjusting the Base Fuel Rate
On Board Bosch LSU 4.9 Wideband Control, Enabling Accurate AFR Readings and Closed Loop Tuning
Eight High Impedance Injector Drivers, Ideal for Stock LS Injectors and Holley EFI Injectors
Integrated 1-Bar MAP Sensor for Naturally Aspirated or Nitrous Setups, with Harness Support for External Higher Bar Sensors if needed
4 Configurable Inputs (12V, Ground, 5V, Frequency) and 2 Outputs (Ground, PWM) - Ideal for Electric Fans, Boost Control Solenoids, Nitrous Control and more
Free PC Tuning Software via USB/CAN Interface for Full Laptop Control and Advance Setup
Integrated 3.5" Touchscreen Handheld with Setup Wizard, Internal Data Logging, and Real Time Gauge Displays
Terminator X Max ECU will Include a Base Timing Map Pre-Configured for this engine
Also Includes:
LS3 Fabricated Aluminum Intake Manifold - BPP822112
Drive by Wire Throttle Body - BPP12191019
LS Swap Oil Pan - BPP81073
Water Pump - BPPLS126WP
Injectors and Fuel Rail Kit
Spark Plugs and Wires
Harmonic Balancer
Throttle Pedal
Timing Cover
Valve Covers
Coil Packs
Notes:
This Holley EFI Equipped engine has a fully calibrated ECU by BluePrint Engines. Please DO NOT follow the Holley EFI manual for the calibration of the ECU.
This engine requires a non-weighted flex plate/flywheel.
Retro fit oil pan will fit most 1955-1995 GM front engine, RWD, V8 cars.
Not for use in pollution-controlled vehicles or in dry sump applications.
BluePrint engine the industry's best-in-class warranty for 30-months / 50,000 miles — with the extra confidence only BluePrint can provide. The warranty applies to individual or professional installations and is fully transferable.
Every BluePrint engine is Dyno tested and has strict parameters to pass and
be shipped to the customer. All parts are tested before being released for production:
• DC and Pneumatic assembly tools calibrated daily
• Fatigue Testing
• Durability Testing
• Random subassembly testing
• Quality system is ISO 9001: 2015 certified
• Traceable engine “DNA” electronic barcode record keeping of
manufacturing and performance data
Warranty Information
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