Bump Spring Retainer – 2.25″OD

Description The SP bump spring retainer – 2.25″OD are made to be super light-weight by using the durable 6061 billet aluminum material and removing the excess material.  They are color coded for the spring ID size and have a 1.75″ base tapering up to 2.25″ for your packers to have a good surface to make contact with.  The bump spring retainers are made for a 5/8″ shaft diameter.  SP offers Delrin adapters when using a shaft size smaller than 5/8″ Billet 6061 Aluminum Anodized Color Coded for Spring ID Thin so you have more room for packers Excess material removed for light weight 1.750 Base for packer engagement ID Shaft Reducer Adapters Available in Delrin to 1/2″ and 9/16″ Normally you use one on each end of the spring – sold as each Learn more on the SP YouTube channel – Bump Spring Retaining Washers by SP