Gaskets and Seals› Engine Gaskets and Seals
Cometic Gasket
Cometic Harley-Davidson 99-06 Complete 1550 T/C All Models .051inH/G Rebuild Kt
SKU: C006 C9920-051
Easy — 1–2 hours
Description
Part #: C9920-051
Cometic utlizes their in-house dynamometersand engine assembly rooms to ensure quality and reliability
MIA's Description
Featuring a .051 inch thick head gasket, this kit is a common choice for rebuilding these specific engines. Cometic Gasket is recognized for its quality engine sealing components, utilizing materials built to withstand the demands of V-twin engines.
Fitment
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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
| Brand | Cometic Gasket |
| Part Number | C006 C9920-051 |
Videos
Review and Install of the Cometic Gasket for The Harley Primary Cover.
How to Reassemble Top End Harley Twin-Cam (99-17)
How-To: Leaky Rocker Box Gasket Fix on Harley-Davidson Sportster
Harley Davidson Twin Cam - How To Disassemble Top End for Rebuild
Harley Davidson Exhaust Gasket! How to install.
Harley Davidson Repair Tips - Proper Exhaust Gasket Install
Cometic Gaskets presented by J&P Cycles.
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Harley-Davidson MLS Head gaskets | Torque Values | Doc Harley
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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