BluePrint MBP3830CTC GM Marine SB 383 Engine 405HP Base Dressed Carbureted

BluePrint Engines Marine GM 383 C.I.D. 405 HP Stroker Dressed Long Block Engines w/Cast Components

Looking for a powerful replacement engine for your boat? BluePrint Engines marine GM 383 c.i.d. 405 hp stroker dressed long block crate engines are built with quality components designed for marine use, delivering reliability and performance on the water.

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:

• Cast iron crankshaft
• Hypereutectic pistons
• Heavy beam connecting rods
• Moly rings
• Balanced rotating assembly
• High-volume oil pump
• Roller camshaft
• Heavy-duty double roller timing set
• High-performance harmonic balancer

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
• 9.5:1 compression ratio

ALSO INCLUDES:

• Cast iron marine intake manifold
• BluePrint Signature Series polished aluminum valve covers
• Rubber-coated steel oil pan
• Chrome timing chain cover
• Long slot rocker arms with positive locking nuts
• Mechanical fuel pump
• Carburetor with electric choke
• Marine billet distributor
• High-performance coil
• Stainless steel fuel line and filter
• Spark plug wires and wire looms
• Spark plugs
• Cast iron circulating water pump
• Dyno-tested and shipped with results

Select BluePrint Engines are imported to order via airfreight, with delivery times typically ranging from 1 to 15 days. For an accurate ETA on specific models, please don't hesitate to contact us.

• UPC: 00887753744319
• 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: Solid roller, OE roller
• Rear Main Seal Style: 1-piece
• Intake Manifold Included: Yes
• Intake Manifold Style: Carbureted
• Cylinder Heads Included: Yes
• Carburetor Included: Yes
• Throttle Body Included: No
• Distributor Included: Yes
• Oil Pan Included: Yes
• Valve Covers Included: Yes
• Timing Cover Included: Yes
• Water Pump Included: Yes
• Harmonic Balancer Included: Yes
• Flexplate Included: No
• Flywheel Included: No
• Air Cleaner Included: No
• Spark Plugs Included: Yes
• Spark Plug Wires Included: Yes
• Computer Included: No
• Wiring Harness Included: No
• Supercharger Included: No
• Remanufactured: Yes
• Quantity: Sold individually
• Notes: 4-bolt main block.