Kyosho IS106-7514 84mm Big Shock Spring Gray Losi Parts At 12 teeth this is

At 12 teeth this is toward the lower end of the range

Blue construction Black in color

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Kyosho IS106-7514 84mm Big Shock Spring Gray Losi Parts At 12 teeth this isA pair of 84mm Big Bore shock springs, wound with 1. 4mm wire over 7. 5 turns and color coded gray, in the M medium length class. Kyosho's numbering encodes the specification directly: 7. 5 turns of 1. 4mm wire at an 84mm free length. The color code lets you identify a spring at a glance in the pit box rather than measuring it. Within a fixed wire diameter and free length, fewer turns means a firmer spring, so at 7. 5 turns this sits toward the firm