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BluePrint Builder Series 302W/370HP Standard Edition Crate Engine and 4R70W Transmission Combos B302K4R7 Combo, Series, 302 C.I.D., 370 HP, Carbureted, 4R70W, Ford, Small Block, Kit

BluePrint Builder Series 302W/370HP Standard Edition Crate Engine and 4R70W Transmission Combos B302K4R7 Combo, Series, 302 C.I.D., 370 HP, Carbureted, 4R70W, Ford, Small Block, Kit

A$42,782.99
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Description


Data: v2 - Desc: v4.2 - Upd: 2026-11-08 21:18:05

Data: v4.2 - Upd: 2026-11-09 07:40:41

Features

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 mllB302K4R7
SFX Item ID 5182772
Accounting SKU mll-B302K4R7
Manufacturer SKU B302K4R7
Manufacturer UPC 887753982964
Alternative References B302K4R7, MLL-B302K4R7

Engine and Transmission Combo, Standard Edition Builder Series, 302 C.I.D., 370 HP, Carbureted, 4R70W, Ford, Small Block, Kit

BluePrint Builder Series 302W/370HP Standard Edition crate engine and 4R70W transmission combos take away the hassle of properly pairing a carbureted Ford 302 Windsor mild performance engine and 4-speed automatic transmission for your build. These strong assemblies deliver 370 horsepower and 350 lbs.-ft. of torque with BluePrint aluminum cylinder heads and hydraulic roller camshaft to go with hypereutectic pistons, a steel crankshaft, and OEM-style connecting rods. The front accessory drive includes air conditioning and power steering provisions for the high strength cast iron block which features increased deck thickness and strength webbing. When you are looking for a new powertrain, go with the authority in crate engines and order your very own BluePrint Builder Series 302W/370HP Standard Edition crate engine and 4R70W transmission combo.

More product features and details include:
• Compression ratio of 9.5:1
• Camshaft offers 0.543 in. intake and 0.544 in. exhaust lift with 215 intake and 228 exhaust duration at 0.050 in. lift and a 112 LSA
• Stroke is 3.000 in. with 5.090 in. long connecting rods
• Block is a one-piece rear main seal, 4-bolt main setup with improved water jacket design
• Ford rotating assembly is machined and balanced by BluePrint (50 oz. external balance)
• BluePrint HP9009 cylinder heads provide a 60cc combustion chamber, 2.020 in. intake and 1.600 in. exhaust valves, plus 190cc intake/60cc exhaust runners
• Ignition timing is 34 degrees total at 3,500 rpm
• This combo also includes the 600 cfm carburetor, fuel pump, dual plane satin finished aluminum intake manifold, water pump, spark plugs/wires, valve covers, distributor (bronze gear not recommended), harmonic balancer, thermostat with housing, and a painted oil pan
• Spark plug model BPP7938 NGK 7938 BKR5E (0.750 in. reach, 14mm thread, 5/8 in. hex, plug; gapped to 0.035 in.)
• Harmonic balancer model BPP50 (50 oz., 6.4 in. diameter)

Transmission features and details include:
• Electronic transmission controller
• Overdrive 4-speed with lockup built to 650 horsepower
• Torque converter with 2,200-2,600 rpm advertised stall rating
• Flexplate (50 oz. weighted) and starter
• Gear ratios are 2.84:1 (first), 1.55:1 (second), 1.00:1 (third), 0.70:1 (overdrive), and 2.32:1 (reverse)
• May require modifications/replacement of driveshaft, transmission mounts, exhaust routing, etc.
• Throttle position sensor not included due to base setup being used for both carbureted and EFI versions

Other notes:
• Factory Five applications are a special order
• Recommended fuel is 91 octane and recommended break-in oil is BPP710
• Initial timing is 10-16 degrees
• Total timing is 32-34 degrees
• Firing order is 1-3-7-2-6-5-4-8
• Painted Ford Blue
• Not for EGR
• Recommended headers include those made by Ultimate Headers, Hedman Husler race headers, and Sanderson headers

Product Attributes
BrandBluePrint Engines
Manufacturer's Part NumberB302K4R7
Part TypeEngine and Transmission Combos
Product LineBluePrint Builder Series 302W/370HP Standard Edition Crate Engine and 4R70W Transmission Combos
UPC887753982964
Crate Engine FamilyFord Windsor
Engine Assembly StyleLong block
AssembledYes
Intake Manifold IncludedYes
Carburetor IncludedYes
Throttle Body IncludedNo
Cylinder Heads IncludedYes
Cylinder Head MaterialCast aluminum
Distributor IncludedYes
Oil Pan IncludedYes
Valve Covers IncludedYes
Timing Cover IncludedYes
Water Pump IncludedYes
Harmonic Balancer IncludedYes
Spark Plugs IncludedYes
Spark Plug Wires IncludedYes
Flexplate IncludedYes
Flywheel IncludedNo
Transmission Controller IncludedYes
Torque Converter IncludedYes
Wiring Harness IncludedNo
Computer IncludedNo
QuantitySold as a kit.

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