MerCruiser GM Small Block V8, 1983-Current Exhaust Systems Products PLATE-TURBULATOR #864838 $111.42 $122.17 OEM Mercruiser 807988A03 4 Inch Exhaust Riser (Hot Dipped) #807988A03 Replaces: 807988A2, 807914A1, 44354A3, 44354A13, 44354A10, 44354A9 $286.99 $347.99 PLATE & GASKET KT #8M0090726 $151.24 $165.83
