Back in 2008 I lost a sure Nordic Championships win when my servo saver nut backed out, even though I had used loctite. This got me thinking, and as soon as I got home, I redesigned the servo saver on my car, to include an e-clip that makes it impossible for the servo saver to loosen. Details details. We suggest you get the CNC aluminium servo saver top as an option part, instead of the stock plastic. This improves the durability, strength and precision of the servo saver. JQB0175 (Black) JQB0287 (Gold).