I've been running Protek Servos in everything, and they are solid.
ProTek RC 1KTBL Black Label Ultra High Torque Brushless Waterproof Crawler Servo. This one is 1080 oz-in of torque @ 8.4V, and .11 transit speed.
$50 off.
https://www.amainhobbies.com/protek...s-waterproof-crawler-servo-ptk-1ktbl/p1331854
Don't forget your coupons.
https://www.amainhobbies.com/discount-coupon-code
I ordered that serve and a Castle 2.0 waterproof BEC for <$200 shipped to me.
LOL, I forgot about it and was actually surprised when I opened it.