The QA1 valve disc kit is an eight-pack of replacement discs for valve servicing and rebuild work. Dimensions list .902 in OD x .008 in thick with metric sizing of 8 mm ID x 23 mm OD and .203 mm thickness. QA1 provides replacement parts and technical support, offering these specified disc sizes as a straightforward option when precise dimensions matter for correct assembly.
QA1 Valve Disc Kit - .902in OD x .008in Thick - 8 Pack