Mercruiser GM Small Block Exhaust Manifold | Barr Marine MC-1-47738 Magnesium Hull Anodes Experts recommend checking your impeller

Experts recommend checking your impeller every season

their 120-volt

it is highly recommended

Since the components are pre-configured for Small Block Tri-Pak systems

Mercruiser GM Small Block Exhaust Manifold | Barr Marine MC-1-47738 Magnesium Hull Anodes Experts recommend checking your impellerMercruiser GM Small Block Exhaust Manifold Barr Marine MC 1 47738 Starboard side log style manifold fits Mercruiser 225, 250, 255, 270, & 280 model marine engines. Barr Mercruiser exhaust manifold Direct replacement Mercruiser GM V8 small block log style exhaust manifold Starboard side For Mercruiser 225, 250, 255, 270 and 280 models Includes gaskets and mounting hardware 3 3 8 in. x 1 3 4 in. exhaust elbow port size Heavy duty cast iron Painted black