Moroso Vacuum Relief Valve 3/4in-16 Thread - Billet Aluminum - Single - 22637

Features

• 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, works with any vacuum level
• Aluminum with clear anodized finish