Gaskets and Seals Engine Gaskets and Seals

Cometic Gasket

Cometic Harley-Davidson 84-91 Big Twin 3 9/16in Bore Kit Complete Fxr-Fl

$353.55

SKU: C006 C10064

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

Moderate — 2–4 hours

Description

This is a complete gasket kit from Cometic, designed for Harley-Davidson Big Twin engines from 1984 to 1991. It includes all the gaskets you'll need to properly seal up your engine during a rebuild or major service. This kit is specifically for the FXR and FL models with a 3 9/16 inch bore size, ensuring a precise fit for those applications. Cometic uses high-quality materials in their gaskets to ensure a reliable seal under the demanding conditions of a motorcycle engine. The kit contains all the necessary components to replace the original gaskets, helping to prevent leaks and maintain proper engine compression. Having a complete set like this means you'll have everything you need to make your engine work much smoother.

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 C10064

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.

View Full Return Policy