GM Big Block Exhaust Manifold Gasket Set | Sierra 18-4348
Gasket kit includes 2 manifold to head gaskets & 2 center rise elbow restrictor gaskets for a pair of Mercruiser 7.4L & 8.2L center rise exhaust manifolds.
- Mercruiser exhaust manifold gasket set
- For GM 454 and 502 cu. in. marine engines with Mercruiser center rise elbows/risers
- Includes 2 manifold gaskets P/N 18-0418 and 2 riser gaskets P/N 18-0897
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