Received my lower unit very quickly for my 1997 Bayliner. All the neccesary seals and parts were there and the unit installed very easily. Bought to correct a shifting problem as buying the lower unit was cheaper than the piece parts and the special tools. The break in was snap and the unit performed flawlessly during out 3 day CO river trip. Have recommended SEI several times since. Will consult again if other services are needed. 
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