New Quicksilver Longblocks

New Quicksilver Value Series Longblocks

Like the popular Quicksilver Crate Engines, the 100% new Quicksilver Value Series longblocks are not converted automobile units nor remanufactured.

These Quicksilver Value Series longblocks are built from scratch for Marine applications, and some are compatible for Industrial duty! 
These 100% new engines to keep your boat fully supported with superior products that are now built better than ever!

Improvements to the original products include:
3‑Years of Limited Warranty in the USA
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 spillage while in transit

No core & no container deposits

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

If engine is equipped with an oil cooler then the cooler MUST BE REPLACED in order to prevent the probability of a premature internal engine failure. If the cooler is not replaced, the longblock WILL NOT BE ELIGIBLE FOR WARRANTY CONSIDERATION.