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866.255.9265
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4.3L GM Base Marine Engine

NEW Indmar Part # 051028N
The Indmar 4.3L new base engine includes the following (when ordered under the above part number).
Block (with all internal engine components)
Water Circulating Pump
14"  Flywheel

Harmonic Balancer
Timing Chain Cover
Cast Iron Intake (2 Barrel)

Valve Covers
Spark Plugs
Oil Pan

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Specifications

Cylinders
Comp. Ratio:
Valve Config:
Valve Lifters:
Bore x Stroke:
Ignition:
Intake Manifold:
Block MFG:
Flywheel Diameter:
Firing Order:
Oil Pan Capacity:
Oil Type:
Paint Protectant:
Horsepower:
Torque:
Warranty:
90 Degree V6 Cylinder
9.4:1
Overhead Valves (2 valves per cylinder)
Hydralic Roller
4.00” x 3.48” (101.60 x 88.39 mm)
Customer Supplied
Cast Iron (2 Barrel Carburetor)
GM Powertrain
14” (Ring Gear Towards Engine)
1 –6 - 5 - 4 - 3 - 2
4.5 Quarts (W/O Filter)
SAE 15W40 Pennzoil Marine
High Gloss Black / Superior Corrosion Resistant
223 H.P. @ 4800 RPM (Carburetor)
267 lb-ft @ 2800 RPM
1 Year Limited (90 Days Commercial)
Available Options:
A full range of new replacement parts needed to complete the build up!
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Our Company

About Us
Engine Exhaust Systems
Cross Over Reference Guide 
Catalog
Product Installation Guide
Find a Distributor

Manifolds and Risers

Chevrolet Aluminum Exhaust
Chris Craft
Chrysler
Crusader
Detroit Diesel
Flagship
Graymarine
Indmar
Interceptor
Mercruiser
OMC
Perkins
Pleasurecraft
Universal Atomic 4
Volvo Penta
Waukesha

Parts

Adaptor Bell Housings
Center Discharge Riser
Center Dishcharge Manifold & Riser System Dimensions
Exhaust Risers & Connectors
Flame Arrestors
Rubber Engine Mounts
Thermostats & Thermostat Assemblies

Warranty

3 Year Warranty
1 Year Warranty
Barr Marine by EDM |  100 Douglas Way Natural Bridge, VA  | 540.291.4180 
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