Servo Arm Metal Single Side 1.5" Hitec
The MPI 1.5" Single HD 4-40 Aluminum Servo Arm, for Hitec Servos delivers maximum strength and precision for demanding RC applications. Crafted from high-grade anodized aluminum, this heavy-duty servo horn eliminates flexing during high-torque control maneuvers. Ideal for giant-scale RC aircraft and high-performance RC vehicles equipped with standard Hitec servos.
Designed by Maxx Products, the MPI 1.5" Single HD 4-40 Aluminum Servo Arm, for Hitec Servos is an essential upgrade for pilots and RC enthusiasts seeking ultimate control response. This heavy-duty single servo arm features pre-tapped 4-40 threads to allow direct, slop-free linkage attachment without stripping. Its rigid CNC-machined construction ensures crisp response and eliminates flex under extreme push-pull loads, making it perfect for scale airplane control surfaces and heavy-duty steering linkages.
What servos fit the MPI 1.5" Single HD 4-40 Aluminum Servo Arm, for Hitec Servos?
This heavy-duty servo arm is machined specifically to match standard output splines on Hitec brand servos.
What hardware thread size does the MPI 1.5" Single HD 4-40 Aluminum Servo Arm, for Hitec Servos accept?
The arm comes pre-tapped for standard 4-40 linkage hardware, eliminating the need for nuts or modification.
Why should I upgrade to the MPI 1.5" Single HD 4-40 Aluminum Servo Arm, for Hitec Servos over a stock plastic horn?
Aluminum servo arms do not flex or strip under high loads, providing precise control response and increased reliability for large RC models.







































