Complete Gear Set, 1.75:1, 3.500" OD Case
    Brand: SEI Marine
    Code: 91-216-03AK
    OE#: 43-826181A2 + 43-859322A 1
    $392.10
    Quantity:

    Fits Mercury & Mariner 3.0 Liter engines
    Standard rotation, non-ratcheting for 3.500" diameter forward bearing gearcase only
    12 / 21 tooth count 1.75:1 ration