Port or Starboard
Universal Center Riser Manifold
Fits: Ford 302 and 351 CID engines
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
Use with: Exhaust Manifold Gasket Set 18-0603 Replaces OEM part #
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