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Add to CartSierra replacement engine parts are designed to meet OEM specifications. Use with 3-1/2" I.D. exhaust hose.
Material: Cast iron
Interchangeable with:
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Sierra 18-1876 Riser Sierra replacement riser fits 170 (1974), 175 (1975-76), 190 (1974-76), 235 (1975-76). Use with: 18-1904 Manifold 18-2850 Manifold End Cap Gasket Interchangeable...
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Sierra 18-1945 Riser Sierra high-quality engine parts are designed to meet OEM specifications. Interchangeable with: Barr CM-20-6674 Chrysler...
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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...
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Sierra 18-0720 Closed Riser Gasket Sierra high-quality engine parts are designed to meet OEM specifications. Sierra Mercruiser dry joint open riser gasket. This elbow gasket is for use with dry...
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