J&T OS Circular Carburetor Seal Black JTB-JT10991-B

The J&T carburetor circular seal is a great addition to any On-Road or Off-road engine utilizing the OS 21J carb. Installation is extremely simple, just slide onto the the dust boot until the circular seal is seated against the carb or at the end of the dust boot. Once installed you will have a tight seal, as well as protection against tears on that portion of your dust boot.