March 19, 2024



1. GM 350/357 Marinized Airboat Engine

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Our 350 HO Marinized Airboat Engine Comes With The Intake Manifold, HEI distributor, Carburetor (Holley 670-cfm 4 -bbl), Air Cleaner,  Spark Plug Wires,  Long Marine Water Pump (you have to change), Oil Filter and a Marine 7 Qt. Oil Pan. It Offers You An Incredible Performance Value, One That Delivers Big-Time Performance Without Costing You Big-Time Money.


GM 350/350 Marinized Airboat Engine

Horsepower:
357 @ 5500 RPM
Torque:
407Ft. Lbs. @ 4000 RPM
Max. Recommended RPM:
5500
Compression Ratio:
9.1:1
Block:
10105123 Cast iron four bolt with one piece rear main seal
Crankshaft:
14088527 Nodular cast iron
Connecting Rods:
10108688 PM steel
Pistons:
12361371 Cast aluminum
Piston Rings:
14089025
Camshaft:
24502476
Lift .435" I, .460" E.
Duration @ .050: 212° I, .222° E.
Timing Chain:
14087014

Cylinder Heads:
12558060 Cast iron 64cc Vortec combusion chambers
Intake Valves:
10241743 1.94"
Exhaust Valves:
12550901 1.50"
Valve Springs:
10212811
Rocker Arms:
10089648 1.5 Ratio
Valve Lash:
Zero
Sparik Plugs:
R44TS Gap .045 (300 HP 350)
41-932 Gap .060 (330 HP 350)
R44LTS Gap .045 (330 HP 350)
Ignition Timing:
10° BTDC @ 700 RPM.    No More than 32o Total Advance Wide Open

Information may vary with application. All specifications listed are based on the latest product information available at the time of publication. The right is reserved to make changes at any time without notice.




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