Exterior Components› Body Panels and Components

Cometic Gasket

Cometic Viton Valve Stem Oil Seals .530inGuide O.D. .310inStem I.D, 10Pk

$43.20

SKU: C006 C9166

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INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Cometic Gasket C9166 is a set of 10 valve stem seals designed for Harley-Davidson Twin Cam engines. These seals are made from Viton® material and feature an umbrella type.

Specifically, these seals are intended for use with Screamin Eagle heads or applications requiring a 0.530 inch valve guide diameter. The valve stem diameter is 0.310 inches (7.87mm).

Fitment

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Specifications

BrandCometic Gasket
Part NumberC006 C9166

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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