0.020in. Thick Cylinder Base Gaskets. Fits Evolution Big Twin 1984-1999.

Features & Benefits:-

* Includes Front & Rear RCM Gaskets with Bead.

* Replaces OEM # 16773-83A

* Sold as a Pair.

Tech Tips:

* 0.022" Starting Thickness.

* 0.020" Final Crush.

* Rubber Covered Metal (RCM) is used in a variety of Applications. It's Steel Core is Coated on Both Sides with a Thin Rubber Layer for Exceptional Sealing & Torque Retention.

* Elastomer Bead applied to Areas of the Gasket to improve Sealing. Varies between Silicone & Nitrile Depending on the Application.

Proudly Made in the USA by James Gaskets !