66666 Vertical Driveshaft W/Bearing 1977-1993 Mercruiser TRS Outdrive 45-66666 for lower unit. Came from working (TRS SPEEDBOAT)1.50 RATIO TRS lower unit, bearings still good. (NOT FOR FiSHING BOATS WITH TR LOWERS with 2.0 ratio. ) Condition is For parts or not working. ANY QUESTIONS PLEASE ASK BEFORE BIDDING.