SE122 Lower Unit Bravo One | SEI 90-122-02 Exhaust Flapper Valves Your lower unit has several

Your lower unit has several gears that rely on quality gear lubes to minimize friction and overheating

Replaces Guest 2608A

& 115 HP 60 degree optical 4 cylinder engines from 1995 to 2006

but they add a little extra performance boost from the inclusion of a Piranha Hydrofoil Stabilizer

Replaces CRU-20310

SE122 Lower Unit Bravo One | SEI 90-122-02 Exhaust Flapper Valves Your lower unit has severalSE122 Lower Unit Bravo One SEI 90 122 02 SE122 Lower Unit replaces MerCruiser's BRAVO ONE sterndrives 90 122 02 This item is to replace 1992 and up Bravo One's with the oil passage. It can be modified to backfit 1988 1991. This unit has side and low water intakes. For side water intakes only see SE121. Brunswick Corporation is the Original Equipment Manufacturer (OEM). Sterndrive Engineering, Inc. (or SEI) has no affiliation with the Brunswick