MCM 3.7L 170, 470 Aluminum Block 4 cyl

Sierra Marine 18-0956-1 Exhaust Manifold Gasket

Sierra

Sierra Marine 18-8530 Exhaust Elbow Mounting Kit

Sierra

Sierra Marine 18-0881-1 Exhaust Elbow Gasket

Sierra

Mercury Marine 27-18272 Gasket

Mercury Marine

Sierra Marine 18-0113-1 Exhaust Elbow Gasket

Sierra

Sierra Marine 18-2761 Exhaust Tube

Sierra

Sierra Marine 18-2762 Exhaust Tube

Sierra

Engineered Marine Products 61-00503 Upper 3" Engine Exhaust Elbow

EMP-Engineered Marine Products

Mercury Marine 27-68715 Gasket Exhaust Manifold to Head

Mercury Marine

Mercury Marine 13-35048 Lockwasher (.375)

Mercury Marine

Sierra Marine 18-1937 Elbow

Sierra