Viton Style Valve Guide Seals Fits Big Twin 1984-2004, Sportster & Buell 1986-2003.

* Inside Diameter = .421".

* Resists higher temp than other viton seals

* Use on Evo & TC'84-04, XL & Buell'86-04

* Use with AV-VG5600S/VG5700S series valve guides

* Requires tool AVV-VSD-R

* Sold as a pack of 4.