OMC Head Gasket→GM 7.4L 454 cid Big Block V8

Part # & Price	Description
SIE18-3877 $51.95	Gasket Head for GM 454 7.4L Gen. 4 Big Block V8 27-8M0049045 Head Gasket for GM 7.4L 454 cid Gen. 4 Big Block V8. A Generation 4 engine was produced up until about 1991. If you engine has a mechanical fuel pump mounted to the block itself, then it is a Generation 4 engine. Replaces: Chris-Craft # 16.50-00259; Crusader # 30266; GLM # 36110; Mallory # 9-63701; Mercruiser Quicksilver #s: 27-8M0049045, 27-13687, 27-13218, 27-19315, 27-49104, 27-61224, 27-97529: OMC # 914849
VIC4933 $29.95	Gasket Head Marine 7.4L 454 CID GM BB V8 1992-Newer Gen 5 and 6 Marine 7.4 454 Cylinder Head Gasket, Nitroseal Stainless Steel. Fits GM 7.4L 454 CID 8 Cylinder Engine, 1992 and up Marine Engines. A Generation 5 and 6 engine will not have a fuel pump boss on the engine. The fuel pump will either be electric or drive off a raw water pump Replaces Mercruiser: 27-811547 and 27-850470