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Sierra 18-1927 Riser
Sierra high-quality 4" Riser.
- For use on Crusader Inboard Engines, fits GM Big Block V8 454 cu. in. Models Ch350 & 454XL
- For use on Crusader Inboard Engines, fits GM Small Block V8 305-350 cu. in. Models 220 & 270
Interchangeable with:
- Barr
- CR 20 97772
- Crusader
- 97772
- Mallory
- 9-40401
- Osco
- 7772
Use With:
- 18-0305: Exhaust Elbow Gasket
- 18-0309: Exhaust Elbow Gasket
- 18-1925: Manifold
- 18-1926: Manifold
- 18-1929: Manifold
- 18-1933: Manifold
- 18-8523: Exhaust Elbow Mounting Kit
- 18-1918: Elbow
- 18-1928: Elbow w/ 4" Outlet
- 18-1934: Elbow w/ 3" Outlet
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Sierra 18-1927 Riser Specs
- Product MPN
- 18-1927
- Product UPC
- 808282127404
- Interchangeable with:
- Barr Marine CR2097772
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