18-1927 - Riser

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Sierra Marine

18-1927 4" RISER Replaces: Crusader 97772
For: Crusader Small Block V8 305-350-cu.in. (Models: 220 and 270), GM Big Block V8 454cu.in. (Models: CH350 and 454XL).
Use with: Manifold: 18-1925, 18-1926, 18-1933, 18-1929 Riser Gasket: 18-0305 Mounting Kit: 18-8523

Warranty (PDF)
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Sierra Marine Riser is equivalent to parts:

Sierra Marine is the market leader for aftermarket marine engine parts. Sierra products cover every major engine brand. Sierra offers a comprehensive product line and an unsurpassed customer satisfaction warranty covering parts and labor.