RED is the Japan specification. Now the standard.
BLUE was in snowflake collection
GREEN spacer was found in the original USA 720. it has a deeper back and lower cup. it uses the starburst more for response and is a good beginner setup. loops higher and is less responsive than red or blue. Lube is a must when using this spacer.
Currently This is item available to members only
1 purchase is 2 spacers.