Mercruiser GM Small Block Exhaust Manifold | Barr Marine MC-1-47738 Magnesium Hull Anodes Aqua Power# 2860

Aqua Power# 2860

replacing them every 100 hours of operation is a common best practice for boaters

Stand-off transom mounted clamp block 2 1/4 in

Sierra: 18-3707

Operating temperature range -40 degrees C to +85 degrees C

Mercruiser GM Small Block Exhaust Manifold | Barr Marine MC-1-47738 Magnesium Hull Anodes Aqua Power# 2860Mercruiser 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