Sierra 18-1898 Manifold
Sierra 18-1898 Manifold, Manifold for 454 GM big block V8 Special Order est. 10 Days; Port & Starboard; For use with Chris-Craft inboard, Chrysler Inboard, Crusader Inboard, Universal Inboard Cooling Systems, Mercruiser I/O, & OMC Sterndrive/Cobra Engines.; Fits 454 cu.in. GM big block V8 engines; Use with: Exhaust Gasket: 18-0418, Riser Gasket: 18-2854 open or 18-0476 blocked; Replaces: Barr CHVA-1-84, Marine Power 0991-110