The Serpent 401020 differential spring is a compact component for 1/10 S400 and S411 vehicles that helps deliver steady diff preload. That steadiness translates into more controllable steering and predictable exits from corners.
Changing this spring alters the diff's reaction under load, which can improve traction off the corner or reduce snap oversteer depending on your setup. It is useful when trimming handling for different tyre compounds or track layouts.
Designed for the S400 and S411 series, the spring fits as a straightforward replacement to keep your diff performing to spec. Sturdy construction helps it resist deformation so your tuning stays consistent over many runs.
Copyright © 2008-2025 rcjaz.co.uk All rights reserved