This is a complete pair (four pieces total) of replacement baseplates for Gen 2 Biltwell Gringo S and Lane Splitter face shields. This kit will also allow you to fit a Gen 2 shield on any earlier Biltwell Gringo S or Lane Splitter helmets or is a direct replacement on Gen 2 helmets. If you don't know which generation you have, take a look at the instructions in the slideshow for details.