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The QA1 valve disc kit is an eight-pack of replacement discs for valve service and rebuild work. The listing shows .670 in OD x .012 in thick with metric specs of 8 mm ID x 17 mm OD and .305 mm thickness. QA1 provides replacement and service components plus technical support, giving a straightforward option when maintenance calls for specific disc sizes to ensure consistent assembly.
QA1 Valve Disc Kit - .670in OD x .012in Thick - 8 Pack
