Greasable Front 2-1/2" Spring Conversion Shackle Kit For CJ +1" Length. These Shackles Are Designed To Allow The Mounting Of Softer, More Flexible 2-1/2" Wide Wrangler Style Springs To Your CJ. Our Greasable Shackles Feature Laser Cut 1/4" Side Plates, Black Polyurethane Bushings, Greasable Bolts And Silver Plating. Front Shackles Include Cross Bar For Extra Stability.