ENGINE VALVE RESTORATION CARBIDE TIPPED SEAT CUTTERS KIT + 8 GUIDE STEMS BOXED. 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 9/16″, 1 5/8″. 1 11/16″, 1 3/4″, 1 7/8 – 45 Degree. 7/8 – 30 Degree. 1 1/4″, 1 1/2″, 1 3/4 70 Degree. (4pcs) Stems metric size 7 mm, 8 mm, 9 mm, mm. (4pcs)Stems inch size 11/32″, 3/8″, 5/16″, 7/16″. Track Page Views With.