The 3RACING Aluminium Shock Spring Base Cover 13mm (offset 1) is a practical upgrade for hobbyists who want finer control over suspension behaviour. It locates the spring more accurately on the damper and helps deliver steadier handling under load.
The 1mm offset suits a range of damper set ups and the aluminium build keeps weight down while offering reliable strength. That combination helps preserve your model balance and gives more predictable spring action on corner entries.
Compatible with many 13mm shock assemblies, this base cover is useful for both track tuning and casual running. Fit it when you want crisper spring seating, reduced lateral movement, and improved suspension feedback.
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