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Vacuum Relief Valve Thread Size
- 3/4-16 in. (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 3/8 in. NPT (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.

Moroso Vacuum Relief Valves

5.0 out of 5 stars 1 Customer Reviews

Moroso vacuum relief valves are manufactured from 6061 billet aluminum and have a smooth finish to add a bit of dress-up under the hood. The valves mount through any 5/8 in. hole with a 3/4 in. 16 thread aluminum nut, can be disassembled for easy cleaning, and will work with any vacuum level. The vacuum relief point is adjustable by shimming an internal spring to get the amount of vacuum desired.