Description Reviews NM Engineering Billet Rear Sway Bar Clamp kit is used to replace factory PLASTIC clamps. The kit features: CNC machined 6061 billet aluminum clamps with military-spec hard anodized coating. Graphite impregnated polyurethane bushings Grease fittings This kit provides strength improvements over the OEM plastic clamps and rubber bushings with the addition of servicing convenience. Also included in the kit are high grade mounting bolts and grease. Please note: this is to be used with NM Engineering 22mm rear sway bar kit. Will fit other manufacturer's bars but limitations apply.