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Sierra 18-1939 Riser
Sierra replacement engine parts are designed to meet OEM specifications. Use with 3-1/2" I.D. exhaust hose.
Material: Cast iron
- Ford Small Block V8 302-351 cu. in.
- GM Small Block V8 305-350 cu. in.
- GM Big Block V8 454 cu. in.
Interchangeable with:
- Barr
- 20-0100
- GLM
- 56140
- Mallory
- 9-40113
- Marine Power
- 0992-593
- Osco
- 99204
California Residents: 
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Sierra 18-1939 Riser Specs
- Product MPN
- 18-1939
- Product UPC
- 808282127428
- Type
- Exhaust Elbow
- Interchangeable with:
- Barr Marine 20-0100
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