Gaskets and Seals Drivetrain Gaskets and Seals

Cometic Gasket

Cometic 99-15 Harley-Davidson Twin Cam .060in AFM Derby Cover Gasket - 5 Pack

$39.89

SKU: C006 C9997F5

In Stock
In Stock
Ships by Jun 13
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Cometic C9997F5 is a 5-pack of Twin Cam inspection and derby cover gaskets for Harley-Davidson Big Twin engines.

They are manufactured to OEM specifications and materials, serving as a direct replacement for Harley part number 25416-99C. No sealant is required, as the gasket seals dry when torqued to the manufacturer's specifications.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandCometic Gasket
Part NumberC006 C9997F5

Buy with Confidence

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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