Mercury-Mercruiser 8M0187369 Quicksilver Longblock 5.7L GXI Volvo

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 the 1.6:1 roller rocker arms. This block has provisions for a CPS (Crank Position Sensor).

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