SE121 Upper 29/27 Tooth Count Replaces Bravo Upper | SEI 90-121-01C Gaskets SE122 Lower Unit Bravo One

SE122 Lower Unit Bravo One | SEI 90-122-02

Generation IV engines

0 TWG(60Hz)/6

Has cut out end bolt holes so gasket can slip into place between manifold and head when mounting

SE121 Upper 29/27 Tooth Count Replaces Bravo Upper | SEI 90-121-01C Gaskets SE122 Lower Unit Bravo OneSE121 Upper 29 27 Tooth Count Replaces Bravo Upper SEI 90 121 01C SE121 Upper 29 27 Tooth Count Fits Bravo 1 1. 36 Ratio Fits Bravo 2 1. 5 and 1. 81 Ratio's Fits Bravo 3 1. 36 and 1. 81 Ratio's Brunswick Corporation is the Original Equipment Manufacturer (OEM). Sterndrive Engineering, Inc. (or SEI) has no affiliation with the Brunswick Corporation. Sterndrive Engineering, Inc. manufactures a stern drive designed to replace Mercury Marine's MerCruiser,