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Thread: 787 gasket kit

  1. #1

    Join Date
    Aug 2008
    redlake ontario canada

    787 gasket kit

    hy does anybody know if you buy the gasket from here #290886392 will it do the whole engine or do I also have to buy #290866396.i am ripping the engine down to the crank to replace the rotary valve is a1998 gta rfi.thanx Richard.

  2. #2
    wkuadam07's Avatar
    Join Date
    Feb 2013
    Bowling Green, KY
    Are you going to buy a reman crankshaft? To replace the rotary valve seals the crankshaft itself has to be taken apart, not an easy job even IF you DO have the proper jigs, presses, fixtures, etc...
    Also, if the cases are already going to be split, i highly recommend replacing or rebuilding the counterbalance shaft...

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