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Thumbnail Filmstrip of 22637 MOROSO. VACUUM RELIEF VALVE, 3/4 IN - 16 THREAD Images
- 22637
- 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
*Not legal for sale or use on pollution-controlled vehicles