Barr Mercruiser Riser Block-Off Plate Gasket (5-Pack) - MC47-27-41811

Gasket seals both sides of Mercruiser center rise exhaust manifold/riser block-off plate.

Specifications:

• For Mercruiser center rise exhaust manifolds in fresh water cooled applications
• For use with 20-87918 stainless steel block-off plate
• Sold as a 5-pack (2 required for each side of block-off plate)

Replaces:

• Mercruiser: 27-8637251, 27-863725, 27-860231, 27-41811, 87918, 87918A1
• Marine Power: 0501-001H4