Sierra Marine 18-4348 Exhaust Manifold Gasket Set
Sierra 18-4348 Gasket Kit for Mercruiser big block center riser manifolds.
GM (Chevy) 454, 502, 7.4-Liter engines with Center Riser Type Exhuast Manifolds.
Features:
GM (Chevy) 454, 502, 7.4-Liter engines with Center Riser Type Exhuast Manifolds.
Features:
- Kit contains two manifold gaskets and 2 RWC restrictor gaskets for the risers
- Fits Manifold Part #OSC9011 and MC-1-89011
| Brand | Sierra |
|---|---|
| Cross Reference / Specs | GLM ENGINEERED MARINE PRODUCTS Fitment:
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