null

PHONE SUPPORT M-F 9-5EST 1-856-232-6969

FREE SHIPPING OVER $99

BEST PRICE GUARANTEED

EARN POWERBOAT REWARDS

  • Blueprint Marine GM Marine Small Block Compatible 350 c.i. Engine - 350 Horsepower - Long Block
  • Blueprint Marine GM Marine Small Block Compatible 350 c.i. Engine - 350 Horsepower - Long Block
  • Blueprint Marine GM Marine Small Block Compatible 350 c.i. Engine - 350 Horsepower - Long Block
  • Blueprint Marine GM Marine Small Block Compatible 350 c.i. Engine - 350 Horsepower - Long Block
  • Blueprint Marine GM Marine Small Block Compatible 350 c.i. Engine - 350 Horsepower - Long Block

Blueprint Marine GM Marine Small Block Compatible 350 c.i. Engine - 350 Horsepower - Long Block

Brand:
Part Number:
BPM-MBP3550CT
$6,299.00
Earn $50.00 in PBS Store Credit
Availability:
Factory Drop Ship - Call for ETA
Shipping:
Free Shipping Over $99

Starting at $219/mo with . See if you qualify

The PBS Promise:



Description

Description: 

  • Horsepower & Torque: 350 Horsepower / 400 FT LBS
  • Compression Ratio: 9.5:1
  • Cast Iron Heads
  • Hydraulic Roller Cam
  • Cast Steel Crank
  • 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 Steel Crankshaft
  • 3.480" Stroke
  • OEM Type 5.700" Connecting Rods
  • Hypereutectic Pistons
  • Internal 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 Cam
  • .480 Intake / .489 Exhaust Lift
  • 226 Intake / 236 Exhaust Duration
  • @.050-112° Lobe Separation Angle

Ignition Timing:

  • 34 Degrees Total at 3500 RPM

Also Includes:

  • New Cast Iron Marine Intake
  • Valve Covers
  • Oil Pan

Notes:

  • This engine is designed for CARBURETED use only. It is NOT for use in any factory fuel injected applications.
  • Replaces Standard Rotation engines only. Not available as reverse rotation.
  • BluePrint Engines recommends the use of a flame arrestor in marine applications and advises checking local laws to ensure compliance with the United States Coast Guard Requirements for Ignition Protection & Fire Resistance.

Your BluePrint engine was dyno tested with the parts and specifications listed below. If you prefer to install a different part, your engine may not produce the horsepower recorded on your dyno sheet.

Part Number: MBP3550CT

Fuel Delivery Type: Carbureted, 600 cfm *Not Included*

Spark Plug: Champion 13

Spark Plug Gap: .045"

Harmonic Balancer: No

Flexplate/Flywheel: No

Stall Converter: N/A

Intake Manifold: Marine, cast iron

Fuel Recommendation: 91 Octane

Timing (Initial/Total Advance): Initial timing - 10-16° and Total timing 32-34°

Firing Order: 1,8,4,3,6,5,7,2

Notes: Recommended break in oil for your BluePrint Crate Engine: BPP710, Not for EGR

Header Partners: 
Click here for our Header Partners and recommendations.

Click here to download a copy of the Installation Guide that came with your BluePrint engine.

View AllClose

Warranty Information

BETTER THAN THE REST. The satisfaction of our customers is our highest priority at BluePrint Engines. We use quality components to balance your engine's rotating assembly within two grams of spec. We dyno test your crate engine and certify that it's ready to deliver horsepower and torque. We give your BluePrint engine the industry's best-in-class warranty for 30-months / 50,000 miles — with the extra confidence only BluePrint can provide. Our warranty applies to individual or professional installations and is fully transferable.
View AllClose

Specs

MPN:
MBP3550CT

Reviews

We're currently collecting product reviews for this item. In the meantime, here are some reviews from our past customers sharing their overall shopping experience.
4.9
Out of 5.0
A graph showing this site's review totals.
Overall Rating
98%
of customers that buy
from this merchant give
them a 4 or 5-Star rating.
Verified Buyer
March 10, 2025 by Larry G. (Florida , United States)
“Fast shipping”
Verified Buyer
March 10, 2025 by Paul L. (AL, United States)
“transaction didn't work on my phone but went through on my laptop”
Verified Buyer
March 10, 2025 by George S. (United States)
“easy”

View AllClose
Support