Related Parts < < back to main The "Aluminum Double Sx Arm, 3" SPM JR" is used in the following: Used In... Model 12 Viking 120cc ARF (2 box)(HAN1065)Quantity for Completion (1) as a Completion GuidesThe Model 12 Viking is one of the most powerful biplanes ever unleashed on the airshow circuit. This giant-scale replica has been expertly designed and built to deliver awe-inspiring 3D performance using any of the most popular 100-125cc engines. $1,399.99 Van's RV-4 30cc(HAN4885)Quantity for Completion (1) as a Completion GuidesMaster model designer, Ali Machinchy, has captured the Van's experience in a 30cc replica of the RV-4 that combines superb detail and easy assembly so that pilots of almost any skill level can have a giant-scale experience that's unlike any other. $449.99 Van's RV-4 30cc(HAN4885)Quantity for Completion (1) as a Completion GuidesMaster model designer, Ali Machinchy, has captured the Van's experience in a 30cc replica of the RV-4 that combines superb detail and easy assembly so that pilots of almost any skill level can have a giant-scale experience that's unlike any other. $449.99