Regis Manufacturing RVG3 Valve Seat Grinding Wheel

The Regis Manufacturing RVG3 is a valve seat grinding wheel (valve seat stone) designed for engine rebuilding and cylinder head reconditioning. Regis Manufacturing has been a trusted supplier to the engine building industry since 1959, producing valve seat wheels and tools built to professional standards.

About Regis Manufacturing Valve Seat Grinding Wheels:

• Engineered for both roughing and finishing of valve seats in gasoline and diesel engines
• Long-lasting abrasive compound for fast, consistent material removal
• Designed to deliver a smooth, precise seating surface for proper valve-to-seat seal
• Compatible with Sioux-style valve seat grinding equipment
• Suitable for use in professional engine machine shops and automotive repair facilities

Valve seat grinding wheels are a critical tool for maintaining the airtight seal between intake and exhaust valves and their seats in the cylinder head. Proper resurfacing eliminates unevenness, corrosion, and wear that can cause compression loss or engine failure. Regis Manufacturing valve seat tools have served the engine building industry for over 60 years with consistent, professional-grade results.