Gasket seals both sides of Mercruiser center rise exhaust manifold/riser restrictor plate.
- For Mercruiser center rise exhaust manifolds in raw water cooled applications with weep hole block off plate
- Sold individually - 2 required for each side of block off plate
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Replaces Mercruiser 27-41813, 27-41813B, 27-860233, 27-860233B, 99208A1, 863724, 863724B, 27-863724