VALVE SEAT RESTORATION KIT. CARBIDE TIPPED 40 PCS. Contents :- 25 pcs cutters Heads. 1 3/16″, 1 1/4″, 1 5/16″, 1 3/8″, 1 7/16. 1 1/2″, 1 9/16″, 1 5/8. 1 11/16″, 1 3/4″, 1 13/16. 1 7/8″, 2″, 2 1/8. 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″, 2. (4x) Stems metric size. 7 mm, 8 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. As per costumer requirement.