Exhaust Flapper Valve & Clamp Kit – Fits 5" & 6" OD Exhaust Pipes (Replaces Sierra 18-4458, GLM 89260, Mallory 9-44002) family-yamaha-40esg Secure Clamps: Install the new

Secure Clamps: Install the new stainless steel clamps and tighten them securely to create a watertight seal

including both 2-stroke and 4-stroke models ranging from 8 to 15 horsepower

Please note these are European-built models

225HP (20" shaft)

Water Pump Impeller Kit – Fits Mercury/MerCruiser 35-300 HP

Exhaust Flapper Valve & Clamp Kit – Fits 5" & 6" OD Exhaust Pipes (Replaces Sierra 18-4458, GLM 89260, Mallory 9-44002) family-yamaha-40esg Secure Clamps: Install the newExhaust Flapper Valve & Clamp Kit Fits 5" & 6" OD Exhaust Pipes This marine exhaust flapper valve kit is designed to prevent water from rushing in through exhaust thru hulls when your boat is stopping, moving at slow speeds, or backing up. It is a crucial component for protecting your engine from water ingestion and potential damage. This kit is suitable for a wide range of inboard and stern drive applications with 5 inch or 6 inch outside diameter