![HMS Air Cleaner Base Double O-ring Sure Seal (1/2" Tall) HMS Air Cleaner Base Double O-ring Sure Seal (1/2" Tall)](https://cdn.performancebodies.com/pbfilestore/PartsCatalog/imgPar563328_563328.png)
![](https://cdn.performancebodies.com/pbfilestore/MiscDocs/imgOvrblank.png)
• Made of extruded aluminum and fits tightly on the bottom of the air cleaner base
• Utilizes 2 O-rings for a positive seal to the housing base as well as positive seal to the carburetor
• Fits both standard or offset style universal bases
• Available in 1/2", 1", and 2"
***HMS has created a sure seal to fit Walker Low Profile Base Only
(Part #HMS72-7712W)***