Blueprint Engines
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BluePrint Builder Series 426/610HP Standard Edition EFI Crate Engine and 4L65/70E Trans Combos B426K4L7 426 c.i. Series, Carbureted, Automatic Transmission /w Polished Pulley Kit. Incl. 30 month/50,000 warranty & Dyno
BluePrint Builder Series 426/610HP Standard Edition EFI Crate Engine and 4L65/70E Trans Combos B426K4L7 426 c.i. Series, Carbureted, Automatic Transmission /w Polished Pulley Kit. Incl. 30 month/50,000 warranty & Dyno
A$60,356.91
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Description
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 21:18:11
Features
Vehicle Compatibility and Return Conditions.
This item was designed and engineered in the USA for US domestic vehicles. OBD tools, ECUs, dongles, programmers, and tuners may have limited compatibility with vehicles outside the USA due to regional differences in emission standards and system configurations. Some features and functionality may vary depending on the vehicle and location.
Some electronic tuning devices and programmers require activation, registration, or pairing with a specific vehicle’s VIN (Vehicle Identification Number). Once activated or paired, these devices may become permanently associated with that vehicle, restricting or preventing their use on another vehicle, resticting our ability to offer returns or exchanges.
Please review the product details and images to ensure it meets your needs. For clarification or assistance, feel free to contact a StreetFX agent. Note: Returns are not accepted for special order or tuning products unless the unit is deemed faulty.
Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Specifications
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Blueprint Engines |
| StreetFX SKU | mllB426K4L7 |
| SFX Item ID | 5183208 |
| Accounting SKU | mll-B426K4L7 |
| Manufacturer SKU | B426K4L7 |
| Manufacturer UPC | 00887753983213 |
| Alternative References | B426K4L7, MLL-B426K4L7 |
426 c.i. Standard Edition Builder Series, Carbureted, 4L65/70E Automatic Transmission /w Polished Pulley Kit. Incl. 30 month/50,000 warranty & Dyno
BluePrint's Standard Edition Builder Series combos pair engine and transmission, eliminating guesswork and making it easier to gain the performance you desire. These combos match a fuel injected Chrysler Hemi-compatible 426 c.i.d. engine with a 4L65/70E automatic transmission enabling the production of 610 hp and 525 lb.-ft. of torque with a compression ratio of 10.48:1. They are available with a polished or black pulley kit. Select the one you like best.
Block:
• BGE Hellcat
• 4.090 in. bore
• 4-bolt main
• One-piece rear main seal
Rotating assembly:
• Forged steel crankshaft
• Stroke: 4.050 in.
• 6.125 in. connecting rods
• Forged pistons
• Internally balanced front and rear
Cylinder heads:
• Gen III Hemi Apache aluminum
• 73cc chamber
• 2.140 in. intake/1.65 in. exhaust valves
Camshaft:
• Hydraulic roller
• .610 in. intake/.611 in. exhaust valve lift
• 231 intake/255 exhaust duration at .050 in. of lift
• 113 degrees lobe separation angle (LSA)
Ignition timing:
• Controlled by ECU
4L60/70E 4-speed automatic transmission:
• 2,200 to 2,400 stall torque converter
• Flexplate
• Starter
• Electronic transmission controller
Also included:
• Fuel injection
• Throttle body
• Harmonic balancer
• Fabricated intake manifold
• Muscle car-style mid-sump swap oil pan
• Spark plugs
• Coil
• Timing cover
• Valve covers
• Holley Terminator ECU controller kit and wiring harness
• Polished or black front accessory drive:
-- Water pump
-- Type II power steering pump
-- Remote power steering pump reservoir
-- 140-amp one-wire alternator
-- 7B10 peanut-style air conditioning compressor
| Product Attributes | |
|---|---|
| Brand | BluePrint Engines |
| Manufacturer's Part Number | B426K4L7 |
| Part Type | Engine and Transmission Combos |
| Product Line | BluePrint Builder Series 426/610HP Standard Edition EFI Crate Engine and 4L65/70E Trans Combos |
| UPC | 00887753983213 |
| Crate Engine Family | Mopar Hemi Gen III |
| Engine Assembly Style | Long block |
| Assembled | Yes |
| Intake Manifold Included | Yes |
| Carburetor Included | No |
| Throttle Body Included | Yes |
| Cylinder Heads Included | Yes |
| Cylinder Head Material | Cast aluminum |
| Distributor Included | No |
| Oil Pan Included | Yes |
| Valve Covers Included | Yes |
| Timing Cover Included | Yes |
| Water Pump Included | Yes |
| Harmonic Balancer Included | Yes |
| Spark Plugs Included | Yes |
| Spark Plug Wires Included | No |
| Flexplate Included | Yes |
| Flywheel Included | No |
| Transmission Controller Included | Yes |
| Torque Converter Included | Yes |
| Wiring Harness Included | Yes |
| Computer Included | Yes |
| Quantity | Sold as a kit. |
| Notes | Oil pan has a middle sump. |
| Special Attention | Includes a polished finish accessory drive system with a water pump, type II power steering pump, remote power steering reservoir, 140 amp 1-wire alternator, and a 7B10 peanut style air conditioning compressor. |
Compatibility
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