This stainless steel valve has a 25mm head and is .070" longer than stock. Use with high lift cams to increase retainer to guide clearance. Must use lash caps 14160 and our retainer/keeper set 16360. Use as a stock intake valve for Honda GX160/200, 196cc clone, 212cc Non-Hemi Predator (1st & 3rd Gen). Use as a stock size exhaust valve for the 212cc Hemi Predator.