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Home Engines Engine and Transmission Combos BluePrint Builder Series 347W/415HP Mustang Edition EFI Crate Engine and 4R70W Transmission Combos B347FK4R7M
BluePrint Engines 350 C.I.D. Cruiser Base Crate Engines BP350CTC
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BluePrint Builder Series LS427/800HP Standard Edition EFI Supercharged Engine and 4L80E Trans Combos BLS427SCTK4L7
BluePrint Builder Series LS427/800HP Standard Edition EFI Supercharged Engine and 4L80E Trans Combos BLS427SCTK4L7 $32,999.00

BluePrint Builder Series 347W/415HP Mustang Edition EFI Crate Engine and 4R70W Transmission Combos B347FK4R7M

$17,299.00

Engine and Transmission Combo, Builder Series, 347W/415HP, Mustang Edition, EFI, 4R70W , Aluminum Heads, 5.7L/347, Ford Windsor, Kit

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Category: Engine and Transmission Combos
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Description

Overview

Brand: BluePrint Engines
Manufacturer’s Part Number: B347FK4R7M
Part Type: Engine and Transmission Combos
Product Line: BluePrint Builder Series 347W/415HP Mustang Edition EFI Crate Engine and 4R70W Transmission Combos
Summit Racing Part Number: MLL-B347FK4R7M
UPC: 887753972538
Crate Engine Family: Ford Windsor
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: 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: Yes
Computer Included: Yes
Quantity: Sold as a kit.
Notes: Polished billet aluminum front accessory drive with A/C compressor and power steering included.
Special Attention: The 4R70W transmission may require modification of or replacement of driveshaft, transmission mount, exhaust routing, etc.

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

BluePrint Builder Series 347W/415HP Mustang Edition EFI crate engine and 4R70W transmission combos take the guesswork out of matching up an engine and transmission for your ride. Featuring a fuel injected Ford small block-compatible 347 (c.i.d.) engine that produces 415 horsepower, this Mustang edition builder series includes a polished pulley kit and 4R70W automatic transmission. The aluminum BluePrint Engines cylinder heads help produce a nice 10.0:1 compression ratio, with assistance from the hydraulic roller camshaft, forged pistons, and steel crankshaft. Altogether, this assembly produces 415 lbs.-ft. of torque. When you need or want a new powertrain for your Ford Mustang, go with the authority in crate engines and their BluePrint Builder Series 347W/415HP Mustang Edition EFI crate engine and 4R70W transmission combos.

Other product features, items, and specifications include:

Block:
* New BluePrint high-strength cast iron
* Increased deck thickness and strength webbing
* Priority main oiling
* Main caps are 4-bolt
* Improved water jacket design
* One-piece rear main seal

Rotating Assembly:
* Cast steel crankshaft
* Stroke – 3.400 in.
* Forged I-beam 5.400 in. connecting rods
* Forged pistons
* Externally balanced BPP28 harmonic balancer

Cylinder Heads:
* BluePrint HP9009 models
* Chamber – 60cc
* Valves are 2.020 in. intake and 1.600 in. exhaust
* Exhaust runners are 190cc intake and 65cc exhaust

Camshaft:
* Hydraulic roller
* Intake valve lift – 0.543 in.
* Exhaust valve lift – 0.554 in.
* Intake duration at 0.050 in. of lift – 218
* Exhaust duration at 0.050 in. of lift – 226
* Lobe separation angle (LSA) – 112 degrees

Ignition Timing
* Initial is 10-16 degrees
* Will be 34 degrees total at 3,500 rpm
* Total is 32-34 degrees
* Firing order is 1-3-7-2-6-5-4-8

Complete 4R70W Transmission (built to 650 horsepower):
* Electronic transmission controller and TPS breakout harness for integration with controller and EFI
* Torque converter with 2,200 – 2,600 rpm stall
* Flexplate
* Starter
* This is a 4-speed overdrive transmission with lockup
* Gear ratios are 2.84:1 (first), 1.55:1 (second), 1.00:1 (third), 0.70:1 (overdrive), and 2.32:1 (reverse)

Other Components:
* Dual plane aluminum intake manifold with satin finish
* Complete fuel injection system
* Pro Billet distributor
* Mustang valve covers (scripted “Mustang” may not match images; based on availability)
* Oil pan with 7-quart capacity
* Complete front accessory drive includes A/C, power steering, alternator, water pump, belts, and pulleys
* BPP7938 NGK BKR5E spark plugs (0.750 in. reach, 14mm thread pitch, 5/8 in. hex, 0.035 in. gap)
* Thermostat and housing

Note: Factory 5 applications are a special order (must call). Recommended fuel is 91 octane. Recommended oil is non-synthetic 10W30. Not designed for EGR compatibility.

Applications

Make: FORD
Beginning Year: 1968
Ending Year: 2001
Engine Type: V8
Engine Size: 5.0L/302
Engine Family: Ford small block Windsor
Fuel Delivery Type: Fuel injection
Transmission: Automatic
Transmission Manufacturer Code: 4R70W
Shipping & Delivery
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Effective Date: August 9, 2025

At X Factors Motorsports, we are committed to delivering your order quickly, securely, and affordably.


1. Processing Time

  • Orders are typically processed within 1–2 business days after payment is confirmed.

  • Orders placed on weekends or holidays will be processed on the next business day.


2. Delivery Times

  • Domestic Shipping (United States): Delivery takes 5–7 business days from the date of shipment.

  • International Shipping: Delivery times vary by destination and may take 7–21 business days depending on customs processing and local delivery services.


3. Shipping Rates

  • United States: Free standard shipping on all orders.

  • International: Shipping costs are calculated at checkout based on the delivery address, package weight, and destination country.


4. Carriers Used

We ship orders using trusted carriers such as UPS, FedEx, USPS, and DHL to ensure reliable delivery. Tracking numbers are provided for all shipments.

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    At X Factors Motorsports, we specialize in high-performance engines, outboards, and premium automotive equipment. With expert support, fast shipping, and trusted brands, we help builders, racers, and enthusiasts power their passion — one project at a time.

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    • Phone: +1 (714) 694-3374
    • E-mail: sales@xfactorsmotorsports.com
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