|First time offered at any quality level with 2" diameter radiator support mounting bushings as original. What makes these bushings a cut above all the other reproductions? How about a lifetime warranty to the original purchaser - Better than OE quality materials - OE appearance - Bushings bonded to sleeve cores as original. Manufactured by a certified OE supplier. None finer available! Complete set of two bushings and two cushions. LIFETIME WARRANTY. Officially Licensed GM Restoration Parts. Use with our number RC-4135.