BluePrint Engines Chev 383 Marine Long Engine 405hp # MBP3830CT

BluePrint Engines Chev 383 Marine Long Engine 405hp # MBP3830CT

BluePrint Engines brings reliable, wave-crushing power to the water with our Marine Small Block compatible 383 c.i. long block, delivering a stout 405 horsepower built for real-world boating demands. Purpose-engineered for marine duty, this engine is assembled with premium components, precise machining, and durability enhancements that stand up to long days at cruising RPM and hard throttle pulls alike. Its the perfect foundation for boaters who want smooth performance, strong torque, and the confidence that their boat is built to handle salt, spray, and season after season of adventure. Drop it in, fire it up, and let the good water days roll.

Description:

• Horsepower & Torque: 405 Horsepower / 450 ft. lbs. Torque
• Compression Ratio: 9.5:1
• Cast Iron Heads
• BluePrint Engines Hydraulic Roller Cam
• BluePrint Engines Cast Crankshaft
• BluePrint Engines Hypereutectic Pistons

Block:

• BluePrint Engines High Strength 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" Bore
• 1-Piece Rear Main Seal
• Mech Fuel Pump Provision: Yes
• Passenger Side Dipstick Drilled and Tapped for Clutch Linkage

Rotating Assembly:

• Cast Crankshaft
• 3.750" Stroke
• OEM Type 5.700" Connecting Rods w/ 150,000 PSI Bolts
• Hypereutectic Pistons
• External Front/ External Rear Engine Balance

Cylinder Heads:

• Vortec Cast Iron Cylinder Heads
• 1.94 Intake Valves
• 1.50 Exhaust Valves
• Hardened Push Rods
• Long Slot Rockers with Positive Lock Adjusting Nuts

Cam Specs:

• Hydraulic Roller
• .495 Intake / .502 Exhaust Lift
• 220 Intake / 224 Exhaust Duration
• @.050-114 Degree Lobe Separation
• Using 1.5 Rocker's

Also Includes:

• Marine Intake Manifold
• Valve Covers
• Oil Pan