Aluminum Servo Holders & Graphite Bridge reinforces the important thing the main thing car. Direct replacement standard composite servo holders. Fits all XB2, XT2 and SCX. • Stiffer servo owner decreases chassis tweak • Reinforces leading some the car • More dependable servo mounting • Direct replacement composite parts • XB2, XT2, SCX #326201 Aluminum Servo Holders & Graphite Bridge