VALVE SEAT RESTORATION KIT. HIGH CARBON STEEL 40 X. CHEVY, FORD, CADILLAC, PONTIAC, OLDSMOBILE. MESSEY, JOHN DREE, PERKIN, INTERNATIONAL, PETER BUILT. VINTAGE CAST IRON HEADS. Contents :- 25 pcs cutters Heads. 1 5/16″, 1 7/16″, 1 3/4. 1 7/8″, 2″, 2.1/8. 1 1/4″, 1 3/8″, 1 1/2. 1 5/8″, 1 3/4″. (7pcs) Stems metric size. 5mm, 5.5mm, 6 mm, 7 mm, 8 mm, 8.5 mm, 9 mm, 10 mm. (4pcs)Stems inch size. 11/32″, 3/8″, 5/16″, 7/16″. 2 X T- Handel. 2 X Drive Rods. We can also produce.