Upgrade your RC car, truck, or buggy with the Spektrum S664 Metal Gear Servo! Built tough with a metal gear train, this digital servo delivers serious power: 226 oz/in at 6.0V and 260 oz/in at 7.4V. The 25-tooth spline fits a wide range of horns and setups. It's also waterproof (check the manual for details), so puddles and wet grass won't stop the fun. The plastic case is lightweight but durable, and the dimensions (1.58in x 0.79in x 1.62in) make it a versatile fit for many 1/10 and 1/8 scale models. Perfect for steering or throttle/brake duties in bashers, crawlers, or race rigs. Quick response, precise control, and reliable performance—exactly what you want when you're driving hard. Whether you're jumping ramps, crawling over rocks, or racing on the track, this servo handles the abuse. Installation is straightforward, and it works with most common radio systems. Great for hobbyists looking for a step up from standard servos without breaking the bank. Smooth operation, strong holding power, and that waterproof rating give you extra confidence. Bring more control and durability to your RC adventures with the S664!