COMPLETE KIT Fits Mercruiser Repair kit 91-106-605K 

Includes all seals, o'rings, bearings, gears and shafts for the upper unit.

Fits most Mercruiser I, R, MR and Alpha I upper units. 1973-1990.
For 1.65 gear ratios only.
Uses SEI's exclusive heavy duty gear set. Recommended for V8 engines.
For use with 1-25/32" OD top cap bearing.
9-9/16" long input yoke.

COMPLETE KIT Fits Mercruiser Repair kit 91-106-605K