SIE18-4491 - Cylinder Head Assembly
List Price
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Your Price
$0.00
Part Number
18-4491
Manufacturer
Sierra Marine
18-4491 CYLINDER HEAD ASSEMBLY
Replaces: MerCruiser 938-827178 1 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.
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.
Sierra Marine Sie18-4491 - Cylinder Head Assembly is equivalent to parts:
- 8271782 Mercury Marine
- 827178 Mercury Marine
- 938827178 2 Mercury Marine
- 9-59002 Mallory Marine
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