Seller notes

Pair Exhaust Flappers Water Shutters Mercruiser 4.3 5.0 5.7 7.4 305 350 454 502 Replaces: Mercruiser 807166A1 This is for a set of 2 flappers Note:These will Not work on V6 engines that came with the one piece manifolds ( use 807166A2 it has a flat tip ) ,or early V8 with the round pin going through flapper. Used on many Mercruiser stern drive V8 engines. ( Some V6 that came with the two piece maniflold/elbow ) For 1998 and newer engines, there are some 1996 and 1997 models that apply. There wil...

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