The XRAY 308290 4S Spring Set is made to help you refine vehicle balance. With a C=3.0 spring rate and a 20mm free length, these coils suit drivers who want predictable body control and easier shock setup changes on SLP-style shocks.
Each spring is measured and paired to ensure uniform free length and matching feel. That consistency helps reduce handling surprises and keeps both sides responding the same under cornering load.
The set contains two springs, providing a simple replacement or tuning option for racers and hobbyists looking to tweak suspension compliance without extra parts.
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