For the racer that likes to service their own Lenco transmission, RBS carries a wide variety of parts to keep your hot rod going rounds and winning races.
Lenco large form sprag alum. washer. Made from durable .075" thick alum. and anodized for extra durability.
Carry a couple spare in the trailer or in the shop. That way when you are throwing down your race winning service no compromised parts have to go back in the transmission that might be questionable.