Our Distributor Cap O-Ring Assortment contains the most popular distributor cap O-Rings in a variety of assorted sizes to fit many applications. Each piece has a durable rubber and viton design for a longer service life. Product Features:Prevents moisture and debris from entering the Distributor systemCost-efficient and time-saving alternative to purchasing components separatelySave bay time-helps you keep the hardware you need organized and close at handAll pieces available for reorder