MBP3830CT BluePrint Engines 383CI 405HP Stroker Marine Crate Engine, Small Block GM Style, Longblock, 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

CYLINDER HEADS:
Cast Iron Vortec
1.94 Intake Valves
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 using 1.5 Rockers

ALSO INCLUDES:
Marine intake manifold
valve covers
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