Mercury-Mercruiser 8M0187369 LB QS 5.7L GXI
is no longer made and is no longer available
8M0187369 Quicksilver New Longblock
GM 5.7 Liter Gen+ 350 V8
Left-Hand / Standard Rotation
Replaces 1999 and newer Volvo 5.7 GXi, GSi and OXi MPI models only using the1.6:1 roller rocker arms. This block has provisions for a CPS (Crank PositionSensor).
There are no provisions for mechanical fuel pump. 3 Year Limited Factory Warranty in the USA. No core or container deposits.100% new Quicksilver Value Series longblocks are not converted automobile units nor remanufactured.Quicksilver Value Series longblocks are built from scratch for Marine applications.
Parts that will need to be transferred or purchased separately:
Balancer
Flywheel
Spark Plugs
Distributor
Water pump
Manifold gasket set
Quicksilver Synthetic Blend 25W-40 4-Stroke Oil
Black-X Valve Technology
21N Intake valve parent material
24N Exhaust valve parent material
Plasma nitride prevents valve sticking & increases toughness
Chrome-Cobalt alloy seats resist corrosion from alcohol fuels
Valve life improved 42%
Hardened valve seat installed in the cylinder heads
Hardened Intake & Exhaust seat inserts
Premium alloy seat material
Heavy duty head and block castings
Resist corrosion and cracking
Higher loading capacity
Ability to use solid engine mounts
Premium components
100% brass core plugs
High volume oil pump
Marine valve springs resist fatigue
Super polished crankshafts using superior material and design features
100% Advanced SIM Testing
Water and oil passages pressure tested 100%
Phased rotational testing with hot oil validates all oil passages, bearings, and assembly
Advanced compression testing verifies cylinder sealing and valve lash integrity
Oil flush at completion of test removes break-in debris
Shipped without oil to prevent
8M0187369 Quicksilver New Longblock
GM 5.7 Liter Gen+ 350 V8
Left-Hand / Standard Rotation
Replaces 1999 and newer Volvo 5.7 GXi, GSi and OXi MPI models only using the1.6:1 roller rocker arms. This block has provisions for a CPS (Crank PositionSensor).
There are no provisions for mechanical fuel pump. 3 Year Limited Factory Warranty in the USA. No core or container deposits.100% new Quicksilver Value Series longblocks are not converted automobile units nor remanufactured.Quicksilver Value Series longblocks are built from scratch for Marine applications.
Parts that will need to be transferred or purchased separately:
Balancer
Flywheel
Spark Plugs
Distributor
Water pump
Manifold gasket set
Quicksilver Synthetic Blend 25W-40 4-Stroke Oil
Black-X Valve Technology
21N Intake valve parent material
24N Exhaust valve parent material
Plasma nitride prevents valve sticking & increases toughness
Chrome-Cobalt alloy seats resist corrosion from alcohol fuels
Valve life improved 42%
Hardened valve seat installed in the cylinder heads
Hardened Intake & Exhaust seat inserts
Premium alloy seat material
Heavy duty head and block castings
Resist corrosion and cracking
Higher loading capacity
Ability to use solid engine mounts
Premium components
100% brass core plugs
High volume oil pump
Marine valve springs resist fatigue
Super polished crankshafts using superior material and design features
100% Advanced SIM Testing
Water and oil passages pressure tested 100%
Phased rotational testing with hot oil validates all oil passages, bearings, and assembly
Advanced compression testing verifies cylinder sealing and valve lash integrity
Oil flush at completion of test removes break-in debris
Shipped without oil to prevent