About This

• Valve Grinding Stones for Cylinder Head Repair: Used for grinding and finishing valve seat surfaces during cylinder head repair and engine rebuild operations in workshop environments. Includes 10 grinding stones configured for valve seat grinding using Sioux style systems and compatible setups where applicable across automotive applications.
• 10 Stone Sets for Multiple Seat Sizes: Supports valve seat grinding across different seat sizes during refacing and resurfacing operations. Includes sizes from 1-1/8", 1-1/4", 1-3/8", 1-1/2", 1-5/8", 1-3/4", 1-7/8", 2", 2-1/4" to 2-1/2" used depending on valve seat diameter and application requirements
• 80 Grit Aluminum Oxide Stones for Controlled Grinding: Engages valve seat surfaces during grinding and finishing stages with medium grit composition. Made from aluminum oxide with verified vitrified bond, used for material removal and finishing depending on dressing condition, pressure and setup in workshop operations
• 11/16 Thread for Standard Sioux Style Mounting Setup: Designed for compatibility with standard 11/16” thread stone holders used in valve seat grinding systems. Supports stable mounting and proper engagement during grinding cycles across Sioux style and compatible setups used in automotive machine shop environments.
• Stones with Angle & Valve Seat Profile Control: Stones can be dressed to required angles while maintaining thread integrity during repeated use. Supports adjustment based on valve seat profile and grinding requirements, enabling controlled seat formation across different engine types and repair applications.

Overview

• Grit Material : Aluminum Oxide
• Brand : RAHISH TOOLS
• Compatible Devices : Angle Grinder, Die Grinder
• Grit Type : Medium
• Item Thickness : 0.39 inches