Home > Complete Marine Engines > 5.7 Liter New Service Base Engine 260hp for 1987 – 1994 applications

5.7 Liter New Service Base Engine 260hp for 1987 – 1994 applications

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Your Price: $2,395.00

Part Number:77

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5.7 Liter 350 cid Marinized Base Engine 260hp for 1987 – 1994 models using a 12 bolt intake manifold, center bolt valve covers and 1 piece rear seal.

Application includes all inboard and I/O Mercruiser, OMC , Crusader , PCM , Seamaxx , Chris Craft , Volvo Penta , Marine Power and Pleasurecraft Marine.

***Also Available in Reverse Rotation***

**Please contact via email [email protected] or telephone 954-274-6567 for freight quote**

Engine Specs:

1986 and up 2 bolt main 1 piece crankshaft seal block (no mechanical fuel pump provision)
Nodular iron crankshaft
Powdered metal connection rods
Dished hypereutectic pistons
9.25:1 Compression ratio
High volume oil pump
Morse link type timing chain
Flat tappet hydraulic camshaft Intake lift .382"
Exhaust lift .402"
Intake duration @.050-165.9
Exhaust duration @.050-174.8
Lobe center separation - 111.9
Camshaft mechanical specs Intake valve opens @ -30.2 BTDC * Intake valve closes @ 16.1ATDC * Intake lobe centerline - 111.8
Exhaust valve opens @ 18.1BBDC * Exhaust valve closes @ -23.3 ATDC * Exhaust lobe centerline - 111.8
Cylinder head casting number 14102193
Swirl port intake port design
64cc Combustion chamber
1.94" Intake valve 1.50" Exhaust valve
1987-1995 Intake manifold bolt pattern with center intake bolts canted @ 72 angle
Engine also includes:
Oil Pan
Timing cover
8" Balancer
Valve covers

Marine gaskets

Spark plugs