Our Small Valve Chuck and Collet Set is designed for precision grinding of small diameter valves. This auxiliary chuck is compatible with all valve grinders with 1/2" chuck capacity.

The A30C increases the operational range of your valve refacer to accommodate the smaller valves found in 4 valve cylinder heads, motorcycles and other small engines.

To use, simply insert valve to be ground in the A30C, then insert the A30C into the valve grinding machine chuck as you would a standard size automotive valve. The high precision, industrial quality chuck and collets ensure minimal run out. Collet chuck is 1/2" diameter.