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The QA1 valve disc kit offers eight replacement discs for valve service and rebuilding. The listing shows .670 in OD x .008 in thick with metric dimensions of 8 mm ID x 17 mm OD x .203 mm thickness. QA1 provides replacement and service parts alongside technical support, making these discs a practical choice when consistent, specific disc dimensions are required during maintenance or component refresh.
QA1 Valve Disc Kit - .670in OD x .008in Thick - 8 Pack
