These are optional Golden Horizons Blue Aluminum Front Lower Suspension Arms for the Traxxas Jato. FEATURES: Blue in Color Aluminum Constrution Very Durable 4 different holes for mounting shocks INCLUDES: (2) Lower Suspension Arms REQUIRES: Installation onto the Traxxas Jato SPECS: Length: 4.45" (113mm) Width: 1.65" (42mm) Thickness: 0.30" (7.6mm) COMMENTS: For Silver version, order GHHC2156 JiM 3.27.07 ir/jxs