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Kyosho Tensionner Spring
Kyosho Tensionner Spring
Kyosho Tensionner Spring
Kyosho Tensionner Spring

Kyosho Tensionner Spring

Brand: Kyosho

Part No: K.UM124

£5.12 RRP £5.39

Shadow Stock: Usually ships within 4-5 days

Collect Instore

The Kyosho Differential Tensioner Spring is a replacement internal spring for Kyosho 1/10 scale ball differentials. Positioned inside the diff, it provides preload on the through-bolt to help keep the assembly correctly tensioned for smooth, consistent operation. This part is ideal for routine maintenance or a full differential rebuild and is identified as Kyosho part K.UM124.

Suggested Compatibility

  • Kyosho Ultima RT5
  • Kyosho Ultima SC
  • Kyosho Lazer ZX-5
  • Kyosho Ultima RB6
  • Kyosho Ultima RT6
  • Kyosho Ultima RB5

This is a replacement Kyosho Differential Tensioner Spring, and is intended for use with the Kyosho line of 1/10 scale vehicles. This spring is used on the inside of the ball differential to provide tension on the bolt that holds the differential together.

Part Compatibility:
  • Kyosho Ultima RT5 
  • Kyosho Ultima SC 
  • Kyosho Lazer ZX-5 
  • Kyosho Ultima RB6 
  • Kyosho Ultima RT6 
  • Kyosho Ultima RB5 


  • Key Info:
    • Brand: Kyosho
    • Part No: K.UM124
    • Barcode: 4955439728468
    • Fitment: Option Part
    Standard Shipping

    £3.95 to most of the UK

    Express Shipping

    £6.95 to most of the UK

    Worldwide Shipping

    Available at checkout

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