MBP3830CTC Stroker Marine Crate Engine by BluePrint Engines 383 CI 405 HP GM Style Dressed Longblock with Carburetor Iron Heads Roller Cam

DESCRIPTION:
HP & Torque: 405 HP / 450 FT LBS
Compression Ratio: 9.5:1
Cast Iron Heads
Hydraulic Roller Cam
Cast Steel Crank
Hypereutectic Pistons

BLOCK:
New BluePrint Cast Iron Block
Square and parallel decked
Align honed main bearing bore
Cylinders honed on computer controlled machine to within .0002 straightness and roundness
Cylinders are sonic tested for thickness
4-Bolt Main
4.000" Bored .040" over
1-Piece Rear Main Seal
Mech fuel pump provision: Yes
Passenger Side Dipstick Drilled and tapped for clutch linkage

ROTATING ASSEMBLY:
New Cast steel crankshaft
3.750" Stroke
OEM type 5.700" connecting rods w/ 150,000 psi bolts
Hypereutectic pistons
EXternal Front/ External Rear Balance

CYLINDER HEADS:
Cast Iron Vortec
1.94 Intake / 1.50 Exhaust Valves
Hardened push rods
Long slot rockers with positive lock adjusting nuts

CAM SPECS:
Cam Type: Roller
.495 Intake .502 Exhaust
220 Intake / 224 Exhaust duration
@ .050 - 114 Degree lobe separation

ALSO INCLUDES:
Marine intake manifold
valve covers
Marine Carburetor
Distributor
Oil pan

Dyno test results shipped with engine

WARRANTY:
12 month unlimited hour on pleasurecraft only. No warranty on commercial use.

NOTES:
Replaces Standard Rotation engines only. Not available as reverse rotation.
WARNING: Cancer and Reproductive Harm- www.P65Warnings.ca.gov