SEI Marine Products

91-106-502K

SEI MARINE PRODUCTS- Mercruiser I R MR Alpha One Gear Rebuild Kit 1.81 Gear Ratio 1972-1990 Drives

Pistons

This kit includes all seals, o rings, bearings and gears for the upper unit of a Mercruiser I, R, MR and Alpha One sterndrive upper units from 1973-1990. It comes with a 1.81 gear ratio and it will not work with 1.62, 1.50 or 1.94 gear ratio units. It is for use with a 1-25/32" O.D. top cap bearing.

This kit includes all seals, o rings, bearings and gears for the upper unit of a Mercruiser I, R, MR and Alpha One sterndrive upper units from 1973-1990. It comes with a 1.81 gear ratio and it will not work with 1.62, 1.50 or 1.94 gear ratio units. It is for use with a 1-25/32" O.D. top cap bearing.

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