These silver spare springs are made by GPM for use on TRAXXAS MAXX scale monster truck dampers and are supplied as a 2pcs set for front or rear installation. The springs are stamped from spring steel and intended for RC-scale damping adjustments, not for full-size vehicles.
Adjustment is done at the shock assembly by rotating the top cap to change preload and effective spring rate, allowing you to tune hardness for different track surfaces. The set includes silver-colored springs to provide a visual contrast on alloy or anodized shock bodies.
Key measured details from the supplier: length 85mm, outer diameter 26.8mm, inner diameter 23mm, coil wire pitch/coil length 1.9mm which is noted as 0.1mm thicker than the original. These dimensions affect ride height and damping feel so verify fit on your front or rear dampers before track use.
8966 (Front),8967 (Rear)
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