Sierra 18-8547 exhaust riser elbow mounting kit for center outlet exhaust elbow on many Crusader GM Small Block V8 305-350 cu. in. and 454 cu. in. Use with riser Sierra 18-1938. Includes Sierra 18-0475-1 gasket.
| Cross Reference | Part Number |
|---|---|
| Mallory | 9-40478, 9-40479 |
| Osco | 9015-MK |
About Sierra
Sierra provides premium-quality aftermarket replacements for over 6,000 marine parts, tools, and components. Sierra products are engineered to meet or exceed OEM standards, and stand up in harsh marine environments. Every new Sierra part comes with a limited lifetime warranty that covers the useful life of the product against any defects in workmanship and materials.
