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BluePrint Engines

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#227BLS4279SCTKB4

BluePrint BLS4279SCTKB4L8 LS 427 Engine w/ 4L80E 830HP

  • GM LS Compatible 427 c.i. Engine and 4L80E Automatic Transmission
  • 830 Horsepower
  • Standard Edition Builder Series
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Cubic Inch:

427

376

Transmission Type:

4L80E

T56

Pulley Finish:

Black Pulley Kit

W/O Pulley KitNatural Pulley Kit

$35,799.00

/each

Factory Shipped


Quantity

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Product Summary

Connect and Cruise Crate Engine Type, Oil Pan Included

  • GM LS Compatible 427 c.i. Engine and 4L80E Automatic Transmission
  • 830 Horsepower
  • Standard Edition Builder Series
  • Black Pulley Kit
  • Holley Terminator X EFI System
See more details

Key Specs

Crate Engine TypeConnect and Cruise
Compression Ratio9.2:1
Engine Displacement427 cu. in.
Camshaft TypeHydraulic Roller
Cylinder Head MaterialAluminum
See more specs

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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BluePrint Engines BLS4279SCTKB4L8 Details

Horsepower / Torque:

  • 830 Horsepower / 800 ft. lbs. Torque
  • Compression Ratio: 9.5:1
  • Aluminum Heads
  • Hydraulic Roller Cam
  • Forged Pistons

Block:

  • High Strength Cast Iron Block
  • Increased Deck Thickness and Strength Webbing
  • Extended Cylinder Skirt
  • Priority Main Oiling
  • 6-Bolt Main
  • 1-Piece Rear Main Seal
  • Improved Water Jacket Design
  • Utilizes OEM LS3 Front and Rear Covers

Rotating Assembly:

  • Forged Crankshaft
  • 4.125" Stroke
  • Forged 6.125" Connecting Rods
  • Forged Pistons
  • Internally Balanced Front and Rear

Cylinder Heads:

  • BluePrint Aluminum Cylinder Heads - PS8015
  • 70cc Chamber
  • 2.165" Intake / 1.590" Exhaust Valves
  • 259cc Intake / 102cc Exhaust Runners

Cam Specs:

  • Hydraulic Roller
  • .624 Intake / .624 Exhaust Lift
  • 239 Intake / 255 Exhaust Duration
  • @.050-114 Degree Lobe Separation

Also Includes:

  • 2.65 Liter Magnuson TVS 2650 Supercharger
  • Upgraded MotorTron S107 Injectors
  • Electronic Fuel Injection
  • Drive by Wire Throttle Body
  • Coil Packs
  • Spark Plugs and Wires
  • Harmonic Balancer
  • Black Front Accessory Drive (LT1 style alternator, water pump, Type II PS pump, compact A/C compressor)

4L80E Package: Electronic Transmission Controller Included

  • 3200+ Stall Torque Converter
  • Flex Plate
  • Starter

4L80E Gear Ratios:

  • 1st 2.482; 2nd 1.482; 3rd 1.00; 4th 0.750; Reverse 2.077

Notes:

  • ECU is fully calibrated by BluePrint Engines (do not follow Holley manual for calibration).
  • Retro-fit oil pan fits most 1955-1995 GM front engine, RWD, V8 cars.

BluePrint Engines BLS4279SCTKB4L8 Specifications

KEY SPECS
MFG. Part #BLS4279SCTKB4L8
BrandBluePrint Engines
Crate Engine TypeConnect and Cruise
Compression Ratio9.2:1
Engine Displacement427 cu. in.
Camshaft TypeHydraulic Roller
Cylinder Head MaterialAluminum
Piston MaterialForged Aluminum
Crankshaft MaterialForged Steel
Carburetor IncludedYes
Intake Manifold IncludedYes
Distributor IncludedYes
Connecting Rod MaterialForged Steel
Valve Covers IncludedYes
Engine BalanceInternal/External
Cylinder Heads IncludedYes
Rear Main Seal Style1-piece
Throttle Body IncludedNo
Timing Cover IncludedYes
Oil Pan IncludedYes
Water Pump IncludedYes
Harmonic Balancer IncludedYes
Flexplate IncludedNo
Flywheel IncludedNo
Air Cleaner IncludedYes
Spark Plugs IncludedYes
Spark Plug Wires IncludedYes
Computer IncludedNo
Wiring Harness IncludedNo
GENERAL
Combustion Chamber Volume70cc
Camshaft Duration (.050 in)239° intake / 255° exhaust
Camshaft Lift (in).624 intake / .624 exhaust
Bore x Stroke (in)4.060" bored to 4.069" x 4.125"
Warranty33 month / 50,000 mile
Sold in QuantityKit
Supercharger IncludedYes

Questions & Answers

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Fitment

  • GM LM4

  • GM LS6

  • GM LS2

  • GM LSA

  • GM LM7

  • GM LQ9

  • 6.2 Chevy LS V8

  • GM L9H

  • GM L94

  • GM LM7

  • GM LQ9

  • 6.2 Chevy LS V8

  • GM L9H

  • GM L94

  • GM LM7

  • GM LQ9

  • 6.2 Chevy LS V8

  • GM L9H

  • GM L76

  • GM LC9

  • GM LMG

  • GM LY5

  • GM LY5

  • GM LM7

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • GM LS1

  • GM LS3

  • GM LS1

  • GM LS1

  • GM LS6

  • GM LS2

  • GM LS3

  • GM LS4

  • GM LS4

  • 4.8 Chevy LS V8

  • GM LM7

  • 4.8 Chevy LS V8

  • GM L20

  • GM LM7

  • GM LY2

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ9

  • GM LQ4

  • GM L98

  • GM LM7

  • GM LQ4

  • GM L98

  • GM LQ9

  • GM L98

  • GM LQ4

  • GM L98

  • GM LQ4

  • GM LQ4

  • GM L98

  • GM L98

  • GM LQ4

  • GM LQ4

  • GM L98

  • GM LZ1

  • GM LS3

  • GM LM4

  • GM L77

  • GM LMG

  • GM LY5

  • GM LM7

  • GM L59

  • GM LM7

  • GM LC9

  • GM LMG

  • GM LY5

  • GM LC9

  • GM LMG

  • GM LMG

  • GM LY5

  • GM LQ4

  • GM L96

  • GM LMG

  • GM LY5

  • 4.8 Chevy LS V8

  • GM L59

  • GM LM7

  • 4.8 Chevy LS V8

  • GM LMG

  • GM LY5

  • 6.2 Chevy LS V8

  • GM L9H

  • GM LC9

  • GM LMG

  • GM LZ1

  • GM L9H

  • GM LC9

  • GM LMG

  • GM LZ1

  • GM LC9

  • GM LMG

  • GM LZ1

  • GM LMG

  • GM LY5

  • GM LH6

  • GM LS2

  • GM LM4

  • GM LM4

  • GM LM4

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L33

  • GM L94

  • GM LM7

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L33

  • GM L94

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L33

  • GM L94

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L33

  • GM L94

  • GM LQ4

  • GM L20

  • GM L9H

  • GM LC9

  • GM LMG

  • GM LZ1

  • GM L33

  • GM L59

  • GM LM7

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LM7

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM L96

  • GM LQ4

  • GM LQ4

  • GM L96

  • GM LQ4

  • GM L96

  • GM L96

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L20

  • GM LM7

  • GM LY2

  • 4.8 Chevy LS V8

  • GM L20

  • GM L94

  • GM LM7

  • GM LY2

  • GM LZ1

  • GM L94

  • GM LC9

  • GM LMG

  • GM LZ1

  • GM LM7

  • GM L59

  • GM LM7

  • GM LQ4

  • GM L96

  • GM LQ4

  • GM L96

  • GM LQ4

  • 6.2 Chevy LS V8

  • GM LH8

  • GM LH9

  • GM LH8

  • GM LH9

  • GM LS1

  • GM LS3

  • GM LS1

  • GM LS2

Customer Impersonation Script