Sierra Marine Parts Catalog: Cylinder Head Assemblies
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CYLINDER HEAD ASSEMBLIES
All cylinder heads are new castings and complete assemblies with new - stainless steel valves,
hardened steel exhaust seats, valve springs, valve locks, and retainers.
All GM cylinder heads utilize high performance screw-in rocker arm studs in place of
factory press in rocker arm studs.
CYLINDER HEAD ASSEMBLY
Fits: 5.7L V-8 GM (1969-86) with 12 intake
manifold mounting bolts, perimeter mount valve cover
CYLINDER HEAD ASSEMBLY
Fits: 5.7L V-8 GM (1987-95) with press in rocker arm studs with 12 intake manifold
mounting bolts- (4 inside intake manifold bolts at 23 degrees), center mount valve covers
CYLINDER HEAD ASSEMBLY
Fits: 5.7L V-8 GM Vortec (1996-Up) with press in rocker arm studs with 8 intake
manifold mounting bolts, composite valve cover
CYLINDER HEAD ASSEMBLY
Fits: 2.5L/3.0L GM (1968-95) (non MerCruiser LX models) (1968-95)
CYLINDER HEAD ASSEMBLY
Replaces 4.3L Vortec V-6 (1996-Up) with screw in rocker arm studs (non-adjustable
valve train), 8 intake manifold mounting bolts, center mount valve cover. NOTE: not for
use with engines using factory roller rocker arms.
CYLINDER HEAD ASSEMBLY
Replaces: 3854339,3853894
Fits: (1980& Up) 5.0L Ford with D-shape 58 cc combustion chamber
CYLINDER HEAD
Fits: 5.0L Vortec
CYLINDER HEAD
High Performance
Aluminum cylinder head sold in pairs only. This utilizes a
185cc intake runner/62cc exhaust runner and 2.02/1.60
stainless valves placed in a 72cc combustion chamber.
Fits: 5.7, 6.2L GM small block V-8
I/O—VOLVOPENTA-InternalEngineSystem