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#227BLS37681KBZF
BluePrint BLS37681KBZF GM LS 376 510HP ZF8 Trans Holley Mid Mount
- BluePrint Engines Builder Series combines a GM LS-compatible 376 cubic-inch engine with the advanced ZF 8-speed automatic transmission for a fully integrated, turnkey package.
- Delivering 510 horsepower and 440 ft.-lbs. of torque, this pump-gas powerhouse is built on BluePrint's high-strength cast-iron LSX-style block.
$20,799.00
/each
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Product Summary
Connect and Cruise Crate Engine Type, Oil Pan Included
- BluePrint Engines Builder Series combines a GM LS-compatible 376 cubic-inch engine with the advanced ZF 8-speed automatic transmission for a fully integrated, turnkey package.
- Delivering 510 horsepower and 440 ft.-lbs. of torque, this pump-gas powerhouse is built on BluePrint's high-strength cast-iron LSX-style block.
- The package features a BluePrint-calibrated ECU, low-profile cast intake manifold, black finished pulley kit, BluePrint LS Aluminum heads, and OEM-level engine and transmission management.
- The ZF 8HP70 transmission delivers lightning-fast 200ms shift times, lightweight internals, and a wide 7.0:1 gear spread, offering dual-clutch-like responsiveness with the comfort of a modern automatic.
- Perfect for pro-touring builds, Restomods, and high-performance street machines, this package includes complete installation hardware and is backed by BluePrint's unmatched customer support.
Key Specs
| Crate Engine Type | Connect and Cruise |
| Compression Ratio | 10.7:1 |
| Engine Displacement | 376 cu. in. |
| Camshaft Type | Hydraulic Roller |
| Cylinder Head Material | Aluminum |
Need To Know
Made to Order
This custom item will ship when completed
Truck Shipment
Truck shipments must be pre-paid with a credit card, certified check or money order
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Return PolicyBluePrint Engines BLS37681KBZF Details
BluePrint Engines BLS37681KBZF Details
BluePrint Engines Builder Series combines a GM LS-compatible 376 cubic-inch engine with the advanced ZF 8-speed automatic transmission for a fully integrated, turnkey package. Delivering 510 horsepower and 440 ft.-lbs. of torque, this pump-gas powerhouse, its foundation is built on BluePrint’s high-strength cast-iron LSX-style block. The package features a BluePrint-calibrated ECU, low-profile cast intake manifold, black finished pulley kit, BluePrint LS Aluminum heads and OEM-level engine and transmission management. The ZF 8HP70 transmission delivers lightning-fast 200ms shift times, lightweight internals, and a wide 7.0:1 gear spread, offering dual-clutch-like responsiveness with the comfort of a modern automatic. Perfect for pro-touring builds, Restomods, and high-performance street machines, this package includes complete installation hardware and is backed by BluePrint’s unmatched customer support.
- Horsepower & Torque: 510 Horsepower / 440 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
- 4.0662" Bore
- 6-Bolt Main
Rotating Assembly
- Nodular Iron Crankshaft
- 3.662" Stroke
- Forged I-Beam 6.125" Connecting Rods
- Hypereutectic Pistons - Flat - 2cc
- Internally Balanced Front and Rear
Cylinder Heads
- BluePrint Aluminum Cylinder Heads - PS8015
- 69cc Chamber
- 2.165" Intake / 1.590" Exhaust Valves
- 259cc Intake / 102cc Exhaust Runners
Cam Specs
- Hydraulic Roller
- .612 Intake / .585 Exhaust Lift
- 225 Intake / 238 Exhaust Duration
- @.050-113 Degree Lobe Separation
Also Includes
- BluePrint Engines Cast Aluminum Intake Manifold
- LS Swap Oil Pan - Windage Tray - Pick Up Screen
- BluePrint Engines Complete Harness and ECU Kit
- BluePrint Engines Fuel Injectors and Rail
- DBW Throttle Body - BPP12191019
- Throttle Pedal, and Sensors
- Spark Plugs & Wires
- Harmonic Balancer
- Custom Shifter
- Coil Packs
- Black Pulley KitLT1 Style Water PumpLT1 Style 150-amp AlternatorCompact Style Air Conditioning CompressorType II Power Steering Pump
- LT1 Style Water Pump
- LT1 Style 150-amp Alternator
- Compact Style Air Conditioning Compressor
- Type II Power Steering Pump
ZF Automatic Transmission Package
- Fully Electronic Modern Shifting Strategy
- Maintenance Free for the Life of the Vehicle
- Fully Calibrated
- Manual Mode
- Shift Times of 0.2 Seconds
- Transmission Gear Ratios:
- First Gear Ratio: 4.70
- Second Gear Ratio: 3.13
- Third Gear Ratio: 2.10
- Fourth Gear Ratio: 1.67
- Fifth Gear Ratio: 1.29
- Sixth Gear Ratio: 1.0
- Seventh Gear Ratio: 0.84
- Eighth Gear Ratio: 0.64
Includes
- BPE Electronic Shifter
- Bell Housing
- Transmission Crossmember Mount
- Park Pawl Release Handle
- 1350 U-Joint Yoke - Making Driveshaft Selection Easier and Eliminating the need for any flange Adapters
Specs
- Horsepower & Torque: 510 Horsepower / 440 ft. lbs. Torque
- Cylinder Heads: BluePrint Engines Aluminum Cylinder Heads
- Compression Ratio: 10.7:1
- Camshaft: Hydraulic Roller Cam - .612 Intake / .585 Exhaust Lift and 225 Intake / 238 Exhaust Duration @ .050 - 113 LSA
- Pistons: Hypereutectic Pistons - Flat - 2cc
- Crankshaft: Nodular Iron Crank - 4.125" Stroke and Forged I-Beam 6.125" Rods
- Fuel Injection: BluePrint Engines Complete Engine Harness and ECU Kit
- Fuel Recommendation: 91+ Octane
- UPC: 00887753997524
Guides & Documents
CARB Warning
Follow EPA, CARB, and state regulations for engine changes
CARB Warning
Follow EPA, CARB, and state regulations for engine changes
Emissions warning: this part is for vehicle engine changes, not direct oem engine replacements. In California, engine changes are legal when done in compliance with California bureau of automotive repairs (bar) engine change policy. For assistance, call bar referee at: (800) 622-7733. And see https://bar.Ca.Gov/consumer/smog_check_program/engine_changes. All customers must comply with federal epa mobile source enforcement memorandum no. 1a (and addendum) and all applicable state regulations when conducting engine changes. Improper installation and/or use of this part in California may subject the installer and/or owner to a $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and laws of all states for use of this engine change part on makes or models of vehicles that render them noncompliant with applicable state and/or federal emission laws with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine
BluePrint Engines BLS37681KBZF Specifications
BluePrint Engines BLS37681KBZF Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | BLS37681KBZF |
| Brand | BluePrint Engines |
| Crate Engine Type | Connect and Cruise |
| Compression Ratio | 10.7:1 |
| Engine Displacement | 376 cu. in. |
| Camshaft Type | Hydraulic Roller |
| Cylinder Head Material | Aluminum |
| Piston Material | Hypereutectic Aluminum |
| Crankshaft Material | Nodular Iron |
| Carburetor Included | No |
| Intake Manifold Included | Yes |
| Distributor Included | No |
| Connecting Rod Material | Forged Steel |
| Valve Covers Included | Yes |
| Engine Balance | Internal |
| Cylinder Heads Included | Yes |
| Rear Main Seal Style | 1-piece |
| Throttle Body Included | Yes |
| Timing Cover Included | Yes |
| Oil Pan Included | Yes |
| Water Pump Included | Yes |
| Harmonic Balancer Included | Yes |
| Flexplate Included | Yes |
| Flywheel Included | No |
| Air Cleaner Included | No |
| Spark Plugs Included | Yes |
| Spark Plug Wires Included | Yes |
| Computer Included | Yes |
| Wiring Harness Included | Yes |
| Reluctor Wheel | 58x |
| GENERAL | |
| Torque | 440 ft./lbs. |
| Horsepower | 510 horsepower |
| Combustion Chamber Volume | 69cc |
| Camshaft Duration (.050 in) | 225° intake / 238° exhaust |
| Camshaft Lift (in) | .612 intake / .585 exhaust |
| Bore x Stroke (in) | 4.065 x 3.622 (103.25 x 92mm) |
| Warranty | 30-Month / 50,000 Mile Warranty |
| Camshaft Included | Yes |
| Sold in Quantity | Each |
Ratings & Reviews
Ratings & Reviews
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