Redcat Racing 5-Wire Servo, 19g NOTE: THIS SERVO CAN ONLY BE USED WITH STOCK 3-in-1 UNIT FOR TREMOR SG/ST RC Car Parts : 16051 Genuine Redcat Racing Parts For troubleshooting and warranty information please contact a Redcat Racing Customer Service Specialist at 602-454-6445 or by emailing amazonsupport@redcatracing.com NOTE: Please read the User Manual before use.