BluePrint Engines Marine GM 383 C.I.D. 405 HP Base Stroker Long Block Engines with Cast Components MBP3830CT

Name: BluePrint Engines Marine GM 383 C.I.D. 405 HP Base Stroker Long Block Engines with Cast Components
Brand: BluePrint Engines
SKU: MLL-MBP3830CT
Price: 7499.00 USD
Availability: InStock
Rating: 1 (1 reviews)

1 out of 5 stars ( 1 )

Part Number: MLL-MBP3830CT

$7,499.00

BluePrint Engines Marine GM 383 C.I.D. 405 HP Base Stroker Long Block Engines with Cast Components

Crate Engine, Marine GM 383 C.I.D. 405 HP Base Stroker Long Block with Cast Components, 6.3L/383, Assembled, Chevrolet, Small Block, Each
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BluePrint Engines Marine GM 383 C.I.D. 405 HP Base Stroker Long Block Engines with Cast Components MBP3830CT

MLL-MBP3830CT

1 out of 5 stars ( 1 )

Part Number: MLL-MBP3830CT

Estimated Ship Date from OH, TX: Monday 10/26/2026

$7,499.00

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Estimated Ship Date from OH, TX: Monday 10/26/2026 Would you rather pick it up?

Overview

Brand:

BluePrint Engines

Manufacturer's Part Number:

MBP3830CT

Part Type:

Crate Engines

Product Line:

BluePrint Engines Marine GM 383 C.I.D. 405 HP Base Stroker Long Block Engines with Cast Components

Summit Racing Part Number:

MLL-MBP3830CT

UPC:

00887753744302

Crate Engine Family:

Chevy Small Block

Actual Engine Displacement:

6.3L/383

Crate Engine Cylinder Head Material:

Cast iron

Engine Block Material:

Cast iron

Assembled:

Yes

Engine Balance:

Internal/External

Cam Style:

Hydraulic roller, OE roller

Rear Main Seal Style:

1-piece

Intake Manifold Included:

Yes

Intake Manifold Style:

Carbureted

Cylinder Heads Included:

Yes

Carburetor Included:

Throttle Body Included:

Distributor Included:

Oil Pan Included:

Yes

Valve Covers Included:

Yes

Timing Cover Included:

Yes

Water Pump Included:

Harmonic Balancer Included:

Flexplate Included:

Flywheel Included:

Air Cleaner Included:

Spark Plugs Included:

Spark Plug Wires Included:

Computer Included:

Wiring Harness Included:

Supercharger Included:

Remanufactured:

Yes

Quantity:

Sold individually.

Notes:

4-bolt main block.

BluePrint Engines Marine GM 383 C.I.D. 405 HP Base Stroker Long Block Engines with Cast Components

Do you need a replacement engine for your boat? Try one of these BluePrint Engines marine GM 383 c.i.d. 405 hp stoker long block crate engines to get the job done. They feature quality-built components designed for marine use. BluePrint engines are built for speed on the open water, performance, and reliability, all in one package.

Block:

* 4-bolt main block
* Passenger side dipstick
* Square and parallel decked
* Align-honed main bearing bore
* Cylinders honed on computer-controlled machine to within .0002 in. straightness and roundness
* Cylinders are sonic tested for thickness

Rotating assembly:

* SCAT cast iron crankshaft
* Keith Black hypereutectic pistons
* GM heavy beam connecting rods
* Hastings moly rings
* Balanced rotating assembly
* Melling high-volume oil pump
* COMP Cams roller lifter camshaft
* Heavy-duty double roller timing set

Cylinder heads:

* Cast iron Vortec heads
* Hardened retainers and springs
* 2.02 in. swirl-polished intake valves
* 1.60 in. swirl-polished exhaust valves
* Hardened pushrods
* Brezinski cast iron marine intake manifold
* 9.5 to 1 compression
* BluePrint Signature Series polished aluminum valve covers
* Rubber coated steel oil pan
* Chrome timing chain cover
* Long slot rocker arms with positive locking nuts
* Dyno-tested--and shipped with results