Description
Billet Aluminum Vacuum Relief Valves; 3/8 in. NPT; Adjustable; Threaded Directly Into Manifold; • Two styles allow fastening through valve covers (No. 22637) or threaded directly into lifter valley (No. 22636)
• Vacuum relief point is adjustable by shimming an internal spring to get the precise amount of vacuum desired
• Can be disassembled for easy cleaning and maintenance and works with any vacuum level
• They are made of 6061 T6 Billet aluminum and have a clear, attractive finish