RSR Proprietary Spring hats with sealed thrust bearings for all 2.25" ID spring applications.
 
Timken thrust bearings and hardened washers
Lubricated o-ring seals out moisture and dust
Anodized 6061 aluminum spring hats
Stainless steel upper top hats
Fits all Bilstein, Boge, Koni, and KW shock inserts/struts
(Sold as a pair) Note* these are included in the RSR front coil over kit.