Keepers for GX200 and Clones - Medium Groove - 5.5mm Stem - Set of Four

Steel keepers with medium groove height for GX200, Predator 212 and non-hemi 224, and all other clones that use 5.5mm valve stems. Decreases spring rate by increasing spring install height by 1mm or 0.040" We sell keepers with both height and medium groove height and spring shims so that you can set your spring install height exactly where you want it.  Sold in sets of four. Works with our titanium retainers only. Not for use with stock steel retainers.