CST Performance Suspension Upper Ball Joint Taper Sleeve # CSS-C12-3 allows the use of the CST 4" Lift Spindles (part number CSS-C1-2 ) and the factory GM upper control arm ball joints.
This CST product is designed only for use on 1999, 2000, 2001, 2002, 2003, 2004, 2005 and 2006 2wd Chevrolet Silverado 1500 and 2wd GMC Sierra 1500 series trucks. This item will also fit Chevrolet Tahoe, Suburban 1500, GMC Yukon and Yukon XL 1500 SUV's equipped with the CST CSS-C1-2 4" Lift Spindles.
These sleeves will NOT work with any other manufacturers lift spindles! CST Item # CSS-C12-3 is sold as a pair.