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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
Brush Set: 277745
14:27 Ratio
For use with Stringer 400 (120hp / 140hp 4cyl) outdrives 1978-1985
but still has the 10105922 stamped number
Bench Tested Good
MerCruiser 43-878087A4 Lower Unit Gearcase Gear Set Alpha One MR 1983-1990 Lower Unit Brush Set: 277745Item Details MerCruiser Sterndrive Alpha One Lower Unit Complete Gearset 43 878087A4 (Pinion, Forward, Reverse) Used in MerCruiser MR & Gen I lower units 1983 1990 These are the correct gears if your lower gearcase DOES NOT HAVE A PRELOAD PIN on top of the driveshaft ****If your gearcase HAS A PRELOAD PIN, then these are not the correct gears***** If you are looking for a 1970 1982 Gearset please contact us and we should be able to help. Pinion Gear