Sioux Style Valve Seat Grinder Stones & Pilots Combo Complete Kit, 11/16"

Sioux Style Valve Seat Grinder Stones & Pilots Combo Complete Kit, 11/16"

• Small Valve Seat Grinding Combo Kit for Cylinder Head & Seat Refacing Work: Covers mounting, guide alignment and seat contact formation across multiple valve seat sizes in workshop setups. Includes 12 grinding stones, 6 straight pilots and 2 sets of stone holder with drive ball configured for valve seat grinding operations using Sioux style systems and compatible setups where applicable
• 12 Grinding Stones Covering Multi Seat Diameters in 80 Grit Aluminum Oxide: Engages valve seat surfaces across different diameters during grinding and finishing stages within a single setup. Stones are 80 grit medium aluminum oxide pink with 45-degree seat angle on standard 11/16 Sioux thread, used for seat grinding depending on dressing, pressure and setup conditions.
• 6 Straight Pilots with 0.385 Top for Valve Guide Alignment Setup: Positions grinding stones concentrically inside valve guides during operation across multiple guide sizes. Includes pilot sizes 4.5mm 5mm 5.5mm 6mm 7mm and 8mm with option for pilot size modification based on requirement to match specific engine applications and fitment conditions
• 2 Sets Stone Holder with Drive Ball for Mounting & Grinding Setup Stability: Connects grinding stones to drive system during operation and supports repeated grinding cycles. Includes 2 heavy duty stone holder sets with 11/16 thread and drive ball mechanism used in valve seat grinding setups for consistent mounting and operation.
• Sioux Style Thread System with Workshop Integration & Pilot Modification Support: Fits into standard grinding setups used in workshop environments. Used with SIOUX style systems where applicable. Buyer can ask for pilot size modification based on requirement for specific valve guide applications