Kibble White Light Race Valve spring kitRef : KIBW00112A / 09263385

The Kibblewhite "Lightweight Race" spring kit (manufacturer part no. 40-41600) provides a robust solution for demanding cross and enduro preparations. Designed for high-performance camshafts and lifts exceeding stock, this kit combines dual springs made from Cr-Si alloy and machined retainers to maintain control of the valve train at high RPM without compromising reliability.

• Main features:
  • Application: intake & exhaust
  • Spring height: 0.450
  • Imperial spring lift: 0.450
  • Spring material: silicon-chrome alloy (Cr-Si)
  • Retainer material: CNC machined titanium or treated high-tensile steel
  • Model: Lightweight Race
• Kit contents:
  • 2 x Cr-Si intake springs
  • 2 x Cr-Si exhaust springs
  • 2 x titanium intake retainers
  • 2 x titanium exhaust retainers
  • 2 x high-tensile steel intake base washers
  • 2 x high-tensile steel exhaust base washers
• Usage & benefits:
  • Increased spring rates to limit valve float at high RPM.
  • Compatibility with high lifts: suitable for race camshafts and reinforced settings.
  • Manufacturing ensures repeatability and mechanical integrity for intensive off-road use.

Ideal for enduro riders and cross competitors, this kit is frequently fitted to KAWASAKI KX 250 X Cross Country (2023), KX 250 (2023), and KX 250 F (2020). Made in the USA. Manufacturer reference: 40-41600.