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Mercury Marine
Mercury Cylinder Head Complete #938-8M0115141
$2,966.69
Mercury Marine 938-8M0115141 Cylinder HeadsMercury Cylinder Head Complete #938-8M0115141Normalized SKU: 9388M0115141
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Mercury Marine
Mercury Cylinder Head Starboard #900-8M0090760
$3,339.34
Mercury Marine 900-8M0090760 Cylinder HeadsMercury Cylinder Head Starboard #900-8M0090760Normalized SKU: 9008M0090760
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Sierra
Sierra-Cylinder Head Assembly 69-86 5.7L GM #18-4484
$566.19
$706.68
Sierra 18-4484 Cylinder HeadsAll 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.Fits: 5.7L V-8 GM (1969-86) with press in rocker arm studs with 12 intake manifold mounting bolts, perimeter mount valve coverOEM Interchange:OMC: 985080Cylinder Head: ChevroletSierra Cylinder Head Assembly, 69-86 5.7L GM #18-4484Normalized SKU: 184484UPC Code: 808282228811
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Sierra
Sierra-Cylinder Head #18-4493HP
$115.97
$143.96
Sierra 18-4493HP Cylinder HeadsSierra-Cylinder Head #18-4493HPNormalized SKU: 184493HPUPC Code: 808282361822
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Sierra
Sierra-Cylinder Head #18-4486HP
$817.56
$990.02
Sierra 18-4486HP Cylinder HeadsSierra-Cylinder Head #18-4486HPNormalized SKU: 184486HPUPC Code: 808282361815
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Sierra
Sierra-Cylinder Head #18-4484HP
$109.58
$136.03
Sierra 18-4484HP Cylinder HeadsSierra-Cylinder Head #18-4484HPNormalized SKU: 184484HPUPC Code: 808282361792
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Sierra
Sierra-Cylinder Head #18-4485HP
$97.16
$120.62
Sierra 18-4485HP Cylinder HeadsSierra-Cylinder Head #18-4485HPNormalized SKU: 184485HPUPC Code: 808282361808
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Sierra
Sierra-Cylinder Head #18-4503
$1,408.44
$1,633.79
Sierra 18-4503 Cylinder HeadsSierra-Cylinder Head #18-4503Normalized SKU: 184503UPC Code: 808282294953
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Sierra
Sierra 5.0L Vortec-Cylinder Head #18-4501
$915.88
$1,109.07
Sierra 18-4501 Cylinder HeadsSierra 5.0L Vortec-Cylinder Head #18-4501Normalized SKU: 184501UPC Code: 808282287191
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Sierra
Sierra-Cylinder Head Assembly GM 2.5-3.0L #18-4489
$950.26
$1,150.70
Sierra 18-4489 Cylinder HeadsAll 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.Replaces: MerCruiser 936-5544, 936-810840/986767Fits: 2.5L/3.0L GM (1968-95) (non MerCruiser LX models) (1968-95)OEM Interchange:MERCURY MARINE: 936-5544MERCURY MARINE: 936-810840MERCURY MARINE: 936-986767Cylinder Head: ChevroletSierra Cylinder Head Assembly, GM 2.5-3.0L #18-4489Normalized SKU: 184489UPC Code: 808282228781
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Sierra
Sierra-Cylinder Head Assembly 4.3L Vortec #18-4491
$829.45
$1,004.42
Sierra 18-4491 Cylinder HeadsAll 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.Replaces: MerCruiser 938-827178 1, 938-824147Replaces 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.OEM Interchange:MERCURY MARINE: 938-827178 1Cylinder Head: ChevroletSierra Cylinder Head Assembly, 4.3L Vortec #18-4491Normalized SKU: 184491UPC Code: 808282228804
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Sierra
Sierra-Cylinder Head Assembly 87-95 5.7L GM #18-4485
$810.55
$981.52
Sierra 18-4485 Cylinder HeadsAll 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.Replaces: MerCruiser 938-883490 1Fits: 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 coversOEM Interchange:MERCURY MARINE: 938-883490 1Cylinder Head: ChevroletSierra Cylinder Head Assembly, 87-95 5.7L GM #18-4485Normalized SKU: 184485UPC Code: 808282228828
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Sierra
Sierra-Cylinder Head Assembly 96-up 5.7L GM #18-4486
$755.25
$914.56
Sierra 18-4486 Cylinder HeadsAll 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.Replaces: MerCruiser 938-883297 1,938-803860TFits: 5.7L V-8 GM Vortec (1996-Up) with press in rocker arm studs with 8 intake manifold mounting bolts, composite valve coverOEM Interchange:MERCURY MARINE: 938-803860TMERCURY MARINE: 938-883297 1Cylinder Head: ChevroletSierra Cylinder Head Assembly, 96-up 5.7L GM #18-4486Normalized SKU: 184486UPC Code: 808282228835
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