1999 Mercruiser HI-Performance GM 377 EFI Engine Service Manual, Page 107Get this manual

1999 Mercruiser HI-Performance GM 377 EFI Engine Service Manual, Page 107

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377 CID6.2L ENGINES
1 Clean sealing surfaces on cylinder head and rocker arm cover with degreaser2 Place new rocker arm cover gasket in position

aRocker Arm Cover GasketSealing Surf