Photo 1 of Fourtry 27-818832 Exhaust Elbow Gasket Fit for Mercruiser Stern Drive, 27-863726 Exhaust Stack Riser Gasket Fit for Mercury Marine Sierra Boat Engine, Replace 27-863726 27-860232, 4 Pcs

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Photo 1 of Fourtry 27-818832 Exhaust Elbow Gasket Fit for Mercruiser Stern Drive, 27-863726 Exhaust Stack Riser Gasket Fit for Mercury Marine Sierra Boat Engine, Replace 27-863726 27-860232, 4 PcsPhoto 2 of Fourtry 27-818832 Exhaust Elbow Gasket Fit for Mercruiser Stern Drive, 27-863726 Exhaust Stack Riser Gasket Fit for Mercury Marine Sierra Boat Engine, Replace 27-863726 27-860232, 4 Pcs