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

Overview

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