Gaskets and Seals› Engine Gaskets and Seals

Cometic Gasket

Cometic Harley-Davidson 99-16 1550 Big Bore Twin Cam Top End Rebuild Kit

$179.57

SKU: C006 C9780

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Cometic Gasket C9780 is a top-end gasket kit designed for 95" displacement engines. It features a 3.875" bore size and a 0.040" thickness.

The kit is constructed with stainless steel materials, utilizing EST (Extreme Sealing Technology) for critical sealing and superior durability.

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 C9780

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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