This is the optional Tekno Sway Bar Kit for use on the Traxxas Revo. FEATURES: Compatible with 2.5 and 3.3 versions Bolt-on installation, no drilling or modifications required Inboard installation prevents damage to swaybars from a backside impact and also allows the rear bumper assembly to remain intact Works with any Revo stock or aftermarket chassis and suspension arms INCLUDES: Two Gold Sway Bars Two Black Sway Bars Two Silver Sway Bars Turnbuckles Plastic Rod Ends Pivot Balls Stabilizer Balls Sway Bar Mounts Hardware Instructions REQUIRES: Installation on the vehicle cnh 2/18/10 ir/jxs