VALVE SEAT RESTORATION KIT. CARBIDE TIPPED 24 PCS. Contents :- (12 pcs cutters). 1-1/4″ , 1-3/8″, 1-7/16″ , 1-1/2″, 1-5/8. (4pcs) Stems metric size 7 mm , 8 mm, 9 mm , 10mm. (4pcs) Stems inch size 11/32″, 3/8″ , 5/16″, 7/16″. We can also produce VALVE SEAT CUTTERS as per costumer requirement. Feel Free To Ask Any Question. Track Page Views With.