Cylinder Head Gaskets with Firering. Fits Big Twin 1966-1984 with Shovel Engine.

Features & Benefits:-

* Replaces OEM # 16770-66A

* Sold as a Pair.

Tech Tips:

* 0.045" Starting Thickness.

* 0.042" Final Crush.

* Firering is a Metallic Armor / Grommet around the Bore of the Gasket, Stainless Steel on Head Gaskets & Copper on Exhaust Gaskets.

Proudly Made in the USA by James Gaskets !