Keepers for GX200 and Clones - High Groove - 5.5mm Stem - Set of four

Steel keepers with high groove for GX200, Predator 212 and non-hemi 224, and all other clones that use 5.5mm valve stems. Increases spring rate by lowering spring installed height by 1mm or 0.040". These will lower your max lift by about 0.040". 

Sold in sets of four.

Works with stock steel retainers only.