Page 105 - Mercury Repower Guide

*NEW* QUICKSILVER CYLINDER HEADS

*NEW* QUICKSILVER CYLINDER HEADS

Quicksilver now offers a wide variety of new cast iron cylinder head assemblies built for maximum durability in extreme applications. These extreme
applications include: marine, circle track racing, RV, truck, and industrial applications.
All feature hardened seats on the intake and exhaust ports. Exclusive to Quicksilver are Black‑X Composite valves that are stainless steel valves with
seats treated with a cobalt‑chromium alloy and black plasma nitriding. This composition provides extreme durability when using gasoline and
compatibility with alcohol and alternative fuels.

*NEW* QUICKSILVER INLINE 4-CYLINDER HEADS *NEW* QUICKSILVER SMALL BLOCK V8-CYLINDER
HEADS
2.5L/3.0L CYLINDER HEAD ASSEMBLY
5.7L/6.2L CYLINDER HEAD ASSEMBLY

938-8M0115134
938-8M0115137
All new Quicksilver cast iron cylinder head, hardened valve seats press fit into the All new Quicksilver cast iron cylinder head, hardened valve seats press fit into the
cylinder head with stainless steel valves featuring seats treated with a
MERCRUISER rocker studs. Early design large intake ports require the use of gasket 27‑96429. cylinder head with stainless steel valves featuring seats treated with a
cobalt‑chromium alloy for extreme durability. This cylinder head features screw‑in
cobalt‑chromium alloy for extreme durability. This fits 5.7L & 6.2L engines with an
8‑bolt intake manifold. This cylinder head features screw‑in rocker studs.
1963‑1989 MCM 2.5L & GM 2.5L
1968‑1989 MCM 3.0L & GM 3.0L
1996‑2016 MCM/MIE 5.7L using Gen+ heads
2.5L GM automotive & Postal engine
350 Alpha Quicksilver Crate Engines ‑ Carb & MPI
3.0L CYLINDER HEAD ASSEMBLY 2000‑2008 MCM/MIE 6.2L using Gen+ heads
357 Horizon MIE Plus Series Engines
357 Alpha & 383 MPI Plus Series engines
1996‑2002 5.7L L31 Gen 1e RV, automotive & truck
1996‑2016 5.7L L31 Gen 1e industrial
357 CYLINDER HEAD ASSEMBLY
938-8M0115135
All new Quicksilver cast iron cylinder head, hardened valve seats press fit into the
cylinder head with stainless steel valves featuring seats treated with a
cobalt‑chromium alloy for extreme durability. This cylinder head features screw‑in
rocker studs. Smaller ports are updated to the latest design to deliver more power.
No provision for in port fuel injector for non‑MerCruiser applications. 938-8M0115138
1990‑2016 MCM 3.0L, 3.0LX, & 3.0L MPI All new Quicksilver cast iron cylinder head, hardened valve seats press fit into the
3.0L Industrial cylinder head with stainless steel valves featuring seats treated with a
cobalt‑chromium alloy for extreme durability. This fits 357 engines featuring
upgraded ports for higher airflow. These are for engines with an 8‑bolt intake
*NEW* QUICKSILVER V6-CYLINDER HEADS manifold pattern. This cylinder head features screw‑in rocker studs.
350 Bravo Quicksilver Crate Engines ‑ Carb & MPI
350 MIE Quicksilver Crate Engine
4.3L CYLINDER HEAD ASSEMBLY 357 Bravo Plus Series engine
350 MPI Tow Sport Plus Series engine
357‑CT Circle Track engine
383 CYLINDER HEAD ASSEMBLY

938-8M0115136
All new Quicksilver cast iron cylinder head, hardened valve seats press fit into the
cylinder head with stainless steel valves featuring seats treated with a 938-8M0115139
cobalt‑chromium alloy for extreme durability. This cylinder head is for applications All new Quicksilver cast iron cylinder head, hardened valve seats press fit into the
using roller rocker arms. cylinder head with stainless steel valves featuring seats treated with a
2000‑2015 MCM 4.3L & 4.3L MPI cobalt‑chromium alloy for extreme durability. Heavy duty springs for engine
4.3L 4V Crate Engines speeds up to 5800 RPM. This fits 383 carbureted engines featuring upgraded
4.3L 4V Plus Series ports for higher airflow. These are for engines with an 8‑bolt intake manifold
2000‑2015 4300 LU3 automotive, truck & industrial pattern. This cylinder head features screw‑in rocker studs.
383 4V MCM/MIE Plus Series engine
383‑CT Circle Track engine

92 P/N 8M0150768