Sierra 18-1998-1 Exhaust Manifold

Exhaust Manifold for both port or starboard for Ford V8 engines - universal center riser manifold. Replaces OEM part #Barr FM-1-83. Fits: Crusader 302 and 351 CID engines, Interceptor 221, 260 and 289 CID engines, Commander, Mercury, OMC, Palmer, Pleasurecraft & Waukesha. Comes with 18-4363 mounting package.

All Sierra manifolds are manufactured as a direct OE replacement and are fully interchangeable with the OEM products they are designed to replace. They include all the necessary gaskets and hardware for easy installation, are primed and painted for added durability and protection, and all components are ready to install out-of-the box. The manifold is packaged for maximum protection during shipping and handling and is backed by Sierra’s comprehensive warranty.
• Computerized CNC machining ensures proper gasket mating surfaces
• 100% leak tested
• Precision tolerance control for uniform wall and water jacket thickness
• Innovative core placement process prevents internal shifting

Use with:
• Exhaust manifold gasket: 18-0183
• Exhaust manifold gasket set: 18-0603
• Exhaust manifold mounting kit: 18-8538
• Riser: 18-1907 and 18-1939
• Elbow: 18-1999
• Manifold spacer: 18-1949
• Fuel elbow: 18-8112