These are the Front and Rear Blue Aluminum Bulkhead Tie Bars for the REVO, Slayer, & Summit from Traxxas.
FEATURES: Blue anodized aluminum (2.5mm thick).
INCLUDES: One front & one rear Tie Bar w/one 3x10mm button head screw (TRA2577). The flat tie bar is for the rear.
REQUIRES: TRA2579 Button Head Screw 3X15mm for rear.