OEM Quicksilver MerCruiser 496 / 8.1L Exhaust Riser Stud, M8 x 194 mm – 863121
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Description
Description
Quicksilver 863121 is an extended exhaust riser stud for selected MerCruiser 496 MAG and 8.1L assemblies.
Product details
- Manufacturer part number: 863121.
- Catalog size: M8 x 194 mm.
- Verified 496 MAG HO catalog range: engine serial numbers 0W060000 through 0W309999.
- Also listed in selected 8.1L inboard exhaust assemblies.
Fitment and selection
Match the installed elbow/riser arrangement to the engine catalog. Other riser configurations use different stud lengths.
