This sesrvo is great for all RC Cars/Trucks. This servo will work with all stock and other radios.

This is a Hitec, Ultra Torque, Metal Gear Servo with a
Futaba J, Hitec, JR, and Airtronics-Z Style Connector.

FEATURES: Three metal gears.
Dual ball bearings.
Metal 1st Gear.
Four adjustable splined horns.
For use with .60 size helicopters, glow or electric cars and boats.

INCLUDES: One ultra torque servo with 11.5" connector wire.
One white small X-shaped servo horn.
One red Large X-shaped servo horn.
One white adjustable servo horn.
One white offset straight servo horn.
Four 2 x 14mm mounting screws
Four brass eyelets
Four black rubber vibration isolators.

SPECS: Speed: 0.24 sec/60° at 4.8V
0.20 sec/60° at 6.0V
Torque: 106.93 oz-in at 4.8V (7.7 kg-cm)
133.31 oz-in at 6.0V (9.6 kg-cm)
Length: 1.59" (40.6mm)
Width: 0.77" (19.8mm)
Height: 1.48" (37.8mm)
Weight: 2.11oz (60g)