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Blocks & Covers 4cyl

  • 1012-2077A1 Rear Block Cover, 4 Cyl Mercury 650 NEW NOS
    $95.00 1012-2077A1 Rear Block Cover, 4 Cyl Mercury 650 NEW NOS
    New  NOS

  • 834-2758A3 Cylinder Block - NEW NOS Merc 650 4cyl
    $300.00 834-2758A3 Cylinder Block - NEW NOS Merc 650 4cyl
    834-2758A3 Cylinder Block - NEW NOS  Merc 650 4cyl  No crank case bolts.  #1 cylinder has minor storage rust at top dead center, a ball hone will clean it up.  #3 cylinder also ha minor storage rust at...

  • Lower Bearing Caps - Mercury
    $25.00 Lower Bearing Caps - Mercury
    Lower Bearing Caps - Mercury.  2 seal type as used on Merc 300-350-400-500 non CDI blocks and MK58's.  The MK30-55's used a one seal type, this 2 seal type can be used on the MK30-55's.  4 Available

  • Block - Merc 40 CI - NOS - NEW
    $500.00 Block - Merc 40 CI - NOS - NEW
    NOS Mercury 40ci Block - NEW.  Block assembly # 349.  All blocks are measured with a Sunnen Bore Gauge System. STD bore is 2.441. Exact bore sizes compared to 2.441 are as follows:#1 TDC...

  • Block Merc 500 44ci NOS #831-5347A3
    $500.00 Block Merc 500 44ci NOS #831-5347A3
    Mercury 500 Block 44 ci.  NOS  Off set spark plugs.  Part number 831-5347A3.  I have other 4 cylinder Mercury blocks, 30-40-44ci that I have not checked out yet.  So, if you need a block, inquire...