SEI Marine Products

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4 1/4" Bullet diameter.
Fits mechanical shift 90 degree V4 outboards, 1978-1998.
Also fits Cobra 4 cylinder lowers with 4 1/4" bullet diameter.
Includes pinion bearing, drain plugs and intake water screen.

Fits OMC sterndrive mechanical shift stringer (400 series) and 4.250" diameter bullet Cobra 1986-1990
2:1 ratio 13/26 tooth count