Vacuum Relief Valve with Easy Adjustable Knob; Face Seal (Face to Face thru Sheetmetal); Vacuum relief point is adjustable by turning the built-In adjustment knob to get the precise amount of vacuum desired. Tightening the integral locknut keeps the adjustment locked until the next adjustment is needed; Can be disassembled for easy cleaning and maintenance and will work with any vacuum level; They are made of 6061 aluminum and have a smooth, attractive finish; *Not legal for sale or use on pollution-controlled vehicles.
- Vacuum relief point is adjustable
- Tightening integral locknut keeps adjustment locked
- Can be disassembled for easy cleaning & maintenance & will work with any vacuum level
- Made of 6061 aluminum and have a smooth, attractive finish.
