Feature●Product Name: Valve Keeper Locks; Package includes:?? 20 x Valve Keeper Locks.●Fit for 8mm / 0.31" diameter.●Valve Locks are manufactured from steel and machined to exact tolerances.●The keepers are a mid-lock, 1 groove design and do not have a lash cap recess.●These are stamped steel and heat treated which lasts much longer than the factory retainers.Description