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B426K4L7 Standard Chrysler HEMI Compatible Builder Series, EFI, Polished Pulley Kit
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BLUEPRINT ENGINESPART NUMBER: 138-B426K4L7

B426K4L7 Standard Chrysler HEMI Compatible Builder Series, EFI, Polished Pulley Kit

$28,19900
Truck Freight
ShippingShips on 11/16/2026
Lowest PriceLowest Price Guarantee

Fuel Injected Engine and Transmission Package
  • 426 c.i. Chrysler HEMI Compatible
  • 610 HP / 525 lb-ft Torque
  • 10.48:1 Compression
  • 4L65/70E Automatic Transmission
  • Gen III HEMI Apache Aluminum Cylinder Heads
  • Standard Edition
  • Dyno Tested

    This 426 c.i. Chrysler HEMI Compatible Standard Edition Builder Series engine and transmission package is rated at 610 horsepower and 525 lb-ft of torque. It is built on a BGE Hellcat Engine Block (4 Bolt Main, 4.090" Bore) and topped with Gen III HEMI Apache Aluminum Cylinder Heads. The package pairs the engine with a 4L65/70E automatic transmission.

    BluePrint Engines B426K4L7 Engine and Transmission Package Features:

    • 610 hp and 525 lb-ft of torque
    • 10.48:1 compression ratio
    • Camshaft: Hydraulic Roller - .614 Intake / .614 Exhaust Lift - 231 Intake / 255 Exhaust Duration [email protected] LSA
    • Rotating assembly: Forged Crank, 4.050 in. Stroke and 6.125 in. Rods, forged pistons
    • Cylinder heads: Gen III HEMI Apache Aluminum Cylinder Heads
    • Intake: BluePrint Engines Gen III HEMI Aluminum Intake
    • Transmission: 4L65/70E automatic
    • Pulley kit: Polished - Water Pump, Type II Power Steering Pump with Remote Reservoir, 140amp 1-wire Alternator, 7B10 Peanut Style Air Conditioning Compressor

    BluePrint Engines B426K4L7 Installation Notes:

    • Recommended fuel: 91+ Octane
    • Timing: ECM Supplied with Calibration
    • Firing order: 1,8,4,3,6,5,7,2
    • Recommended torque converter stall speed: 2500+ RPM
    • Recommended flexplate/flywheel: Non-Weighted
    • Recommended harmonic balancer: BPP400L
    • Engine balance: Internally Balanced
    • Recommended spark plug: NGK 97408 / LZTR6AP11EG, gapped at .043 in.
    • Air cleaner is not included
  • Part TypeEngine and Transmission Package
    BrandBLUEPRINT ENGINES
    Package Height30.0
    Package Width30.0
    Package Length60.0
    Weight750.0 PG
    Part CategoryPerformance Parts
    Spark Plug Wires IncludedN/A - Coil on Plug
    Fuel Pump IncludedNo
    Air Cleaner IncludedNo
    Cylinder Heads IncludedYes
    Water Pump IncludedYes
    Harmonic Balancer IncludedYes
    QuantityEA
    Intake Manifold IncludedYes
    Transmission TypeAutomatic
    Engine BalanceInternally Balanced
    Compression Ratio10.48:1
    Transmission Model4L65/70E
    Rear Main Seal Style1 Piece
    Fuel Delivery TypeGen III Hemi - Fuel Injected
    Horsepower610
    Distributor IncludedYes
    Oil Pan IncludedYes-Mid Sump
    Part FitmentSemi Universal
    Timing Cover IncludedYes
    Spark Plugs IncludedYes
    Intake Manifold TypeGen III HEMI Aluminum Intake
    Vendor Part NumberB426K4L7
    Package Qty1
    Package TypeEA
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning