3 in. Exhaust Spacer Block | Barr Marine 20-0097

Exhaust riser for Barr generic center rise manifolds mounts between the manifold & elbow to reduce the possiblity of water backflow into the engine through the exhaust.

• Barr 3 in. riser spacer block
• Helps to reduce the potential of water backing up into the engine through the exhaust piping
• Can be stacked for additional height
• Includes gasket and mounting hardware
• Use with FM-1-83, CHVA-1-84 & CHVA-1-83 Generic Center Rise Manifolds
• Replaces Osco 9943S