Parts/Suspension & steering/Shock parts & springs/Kyosho 84mm Big Bore Medium Length Shock Spring (Gray) (2)
Kyosho 84mm Big Bore Medium Length Shock Spring (Gray) (2)
Kyosho

Kyosho 84mm Big Bore Medium Length Shock Spring (Gray) (2)

Part # KYOIS106-7514
Where to buy
$16.75
AMain Hobbies
Seen Oct 12, 2026
$16.75Buy
Prices are as last seen at the store; stock is not tracked.

About this part

This is a set of gray 84mm big bore shock springs for the Kyosho Inferno ST-R truggy and MP9 buggies. These are the medium length springs that are used for the front of the ST-R trucks, and the rear of the MP9 when equipped with medium length shocks.

Medium Length 84mm Shock Spring Specifications:

  • Softer
    • IS106-9514: Yellow - 9.5 turns/1.4 wire (2.95lb-in / 527.50 n/m)
    • IS106-914: Green -  9 turns/1.4 wire (3.16lb-in / 565.18 n/m)
    • IS106-8514: Orange  - 8.5 turns/1.4 wire (3.40lb-in / 608.65 n/m)
    • IS106-814: Light Blue - 8 turns/1.4 wire (3.68lb-in / 659.38 n/m)
    • IS106-7514: Gray - 7.5 turns/1.4 wire (4.02lb-in / 719.32 n/m)
    • IS106-1116: White - 11 turns/1.6 wire (4.11lb-in / 729.08 n/m)
    • IS106-1016: Purple - 10 turns/1.6 wire (4.62lb-in / 820.22 n/m)
    • IS106-916: Light Green - 9 turns/1.6 wire (5.28lb-in / 937.39 n/m)
    • IS106-816: Blue - 8 turns/1.6 wire (6.16lb-in / 1093.62 n/m)
  • Harder
Effects of Shock Spring Changes
 Shock Spring  Characteristic
 Softer
  • Increased Chassis Roll
  • Increased Traction
  • Better in Bumpy Conditions
  • More Likely to Bottom Out
 Stiffer
  • Decreased Chassis Roll
  • Decreased Traction
  • Increased Responsiveness

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