BluePrint Builder Series 347W/415HP Mustang Edition Carbureted Crate Engine and 4R70W Trans Combos B347KB4R7M

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Part Number: MLL-B347KB4R7M

$19,899.00

Engine and Transmission Combo, Builder Series 347W/415HP Mustang Edition, 4R70W, Long Block, Street Warrior Carb Included, Ford, 5.0L Windsor, Kit
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BluePrint Builder Series 347W/415HP Mustang Edition Carbureted Crate Engine and 4R70W Trans Combos B347KB4R7M

BluePrint Builder Series 347W/415HP Mustang Edition Carbureted Crate Engine and 4R70W Trans Combos B347KB4R7M

MLL-B347KB4R7M

Not Yet Reviewed

Part Number: MLL-B347KB4R7M

Estimated Ship Date: Jan 7, 2027

$19,899.00

Estimated Ship Date: Jan 7, 2027 Would you rather pick it up?

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Overview

Brand:
Manufacturer's Part Number:
B347KB4R7M
Part Type:
Product Line:
Summit Racing Part Number:
MLL-B347KB4R7M
Item Number:
8459723
UPC:
00887753983077
Crate Engine Family:
Ford Windsor
Engine Assembly Style:
Long block
Assembled:
Yes
Intake Manifold Included:
Yes
Carburetor Included:
Yes
Throttle Body Included:
No
Cylinder Heads Included:
Yes
Cylinder Head Material:
Cast aluminum
Distributor Included:
Yes
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:
Yes
Flexplate Included:
Yes
Flywheel Included:
No
Transmission Controller Included:
Yes
Torque Converter Included:
Yes
Wiring Harness Included:
No
Computer Included:
No
Quantity:
Sold as a kit.
Notes:
Carburetor included is a Street Warrior 600 cfm vacuum secondary carburetor with electric choke. Oil pan has a front sump.
Special Attention:
Includes a black finish accessory drive system with a driver side standard rotation water pump, type II power steering pump, remote power steering reservoir, 140 amp 1-wire alternator, and 7B10 peanut style air conditioning compressor.

BluePrint Builder Series 347W/415HP Mustang Edition Carbureted Crate Engine and 4R70W Trans Combos

The BluePrint Builder Series 347W/415HP Mustang Edition carbureted crate engine and 4R70W trans combo is a complete, ready-to-install powertrain package for classic Ford Mustangs. It features a Ford small block-compatible 347 cu. in. stroker engine making 415 hp/415 lbs.-ft. torque with a carburetor—paired with a durable 4R70W automatic transmission, aluminum heads, forged internals, and essential accessories for simplified hot rod building. It's a plug-and-play solution that removes guesswork by combining a proven engine with a compatible automatic transmission and necessary front accessories, all dyno-tested for verified performance.

Key features:

* Engine: Ford small block compatible 347 cu. in. Stroker (based on 5.0L block)
* Power output: 415 hp / 415 lbs.-ft. torque (verified on dyno)
* Heads: BluePrint aluminum cylinder heads
* Internals: Forged pistons, steel crank, hydraulic roller cam
* Fuel system: Carbureted (often with a Brawler carb and Edelbrock intake)
* Transmission: 4R70W automatic (Ford compatible, known for reliability)
* Accessories: Comes dressed with front accessories like alternator, power steering, and a polished pulley kit
* Builder Series is designed for easy installation in hot rods and classic builds
* What it means for you:
-- You get a complete, tested powertrain package (engine, trans, accessories) that's a modern performance upgrade for your classic Mustang or custom build, taking the hassle out of sourcing and matching components

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