5" & 6" Exhaust Flapper Protector Valves for MerCruiser Stern Drives and Inboard Engines Manifold Replacement Sierra Marine 18-4458 Quantity & Size:5 Inch 2 PCS 7GiE-300-R

7GiE-300-R

0GXiCE-270-R

1 X Water Pump Impeller 17461-96312

Yamaha Outboard 2-Stroke 175HP 200HP 225HP

Sierra Marine 18-30778

5" & 6" Exhaust Flapper Protector Valves for MerCruiser Stern Drives and Inboard Engines Manifold Replacement Sierra Marine 18-4458 Quantity & Size:5 Inch 2 PCS 7GiE-300-RSoxa Marine Stern Drive Exhaust Flapper Protector Valves Set SoxaMarine 5 Inch Exhaust Manifold Flapper Valves with Clamps Set. 5" & 6" or 127mm & 152. 4mm 5" Requires two 45 cuts, use on Chris Craft Inboard, Chrysler Inboards, Crusader Inboards, Pleasurecraft (PCM) Waukesha and Mercury Mariner Inboard Outboard Match to Aftermarket Sierra Marine 18 4458, 18 4458D, Mallory Marine 9 44002 and GLM Marine 89260 Compounded rubber flapper valves prevent