Gasket seals both sides of Mercruiser center rise exhaust manifold/riser block off plate.
MerCruiser restrictor plate gasket to be used with MC-20-87918 restrictor plate (2 per plate).
Replaces MerCruiser part # 27-41811
- For Mercruiser center rise exhaust manifolds in fresh water cooled applications
- For use with 20-87918 stainless steel block off plate
- Sold individually - 2 required for each side of block off plate
- Replaces Mercruiser 27-8637251, 27-863725, 27-860231, 27-41811, 87918, 87918A1
- Replaces Marine Power 0501-001H4