UANOFCN One Pair of New Water Shutter kit for Mercruiser V8 and V6 807166A1

Features: This item is brand new aftermarket 2 Exhaust Flappers Water Shutters Replaces Mercruiser with great quality. Replace part number: For Mercruiser 807166A1 Specification: Fit Models: 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 )