![Walker Air Filter Base Sure Seal (1/2") Walker Air Filter Base Sure Seal (1/2")](https://cdn.performancebodies.com/pbfilestore/PartsCatalog/imgPar564919_564919.png)
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• These sealing rings are designed to fit a standard Holly 5-1/8" carburetor flange, ensuring a seamless installation process
• The combination of a rubber O-ring on the bottom and molded urethane on top ensures a secure, airtight seal, preventing air leaks and optimizing your engine's performance without the fear of dirt getting into the engine
• Choose from sealing rings available in heights ranging from 1/2" up to 2"