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Mercury MerCruiser Small and Big Block V6 V8 Engine Exhaust Elbow Mounting Kit OSCO 3320-MK Sierra 18-8554
- Mercury MerCruiser V6, Small Block and Big Block V8 Engine Exhaust Elbow Mounting Kit
- Mor Mercury MerCruiser:
- Models 185, 205, 200, 228, 230, 260, 898, 330, 340 and 7.4L
- GM V6 229 and 262 cu.in.
- GM Small Block V8 305 - 350 cu.in.
- GM Big Block V8 454 cu.in
- For use with:
- 18-1906: Manifold Spacer
- 18-1908: Manifold Riser Spacer
- 18-1908K: Manifold Riser Spacer Kit
- 18-1951-1: Manifold
- 18-1952-1: Manifold
- 18-1953-2: Manifold
- 18-1971: Elbow
- 18-1978: Elbow
- 18-2849-1: Gasket, Exhaust Elbow
- 18-1970-2: Riser Elbow
- 18-1957-2: Manifold
- MerCruiser 229 and 262 V6, Small Block (305 and 350) V8 Engines and Big Block (454) V8 Engines
- Manufacturer: Sierra
- Model Number: Exhaust Elbow Mounting Kit
- Part Number: 18-8554
- Also Known As: OSCO 3320-MK
