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Sierra 18-1909-1 Outlet Riser Replaces 3857944

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List Price: $349.99
Starting At: $244.99
(You save $105.00

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7° 4" Outlet Riser - Special Order est. 10 Days

OMC Riser, 4" outlet 7°:Fits many GM & Ford center rise manifolds.


  • OMC
    • 913784, 3855270, 3850456, 3857944,3856444
  • Volvo Penta
    • 3855270,3857944,3855270-9, 3857944-7, 3863061
  • GLM
    • 51330
  • Mallory
    • 9-40911
  • Exhaust Elbow Gasket: 18-0943-2
Use with:
  • Manifold: 18-1986-1
  • Riser Gasket: 18-0943-1
  • Mounting Kit: 18-8507

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