Popular trx4 servo dsservo 25kg (amazon choice) doesn't fit well at all. Panhard bar hits servo horn and reduces suspension travel. Also wiring not long enough for trx4 defender. : r/rccars
Aluminum Servo Saver With Aluminum Steering Link For 1/10 Traxxas Ford – JTeamhobbies
Hr Aluminum Servo Mount Plate For Tamiya Cr-01 - Parts & Accs - AliExpress
Amazon.co.jp: Tamiya Hi Torque Servo Saver Black : Hobbies