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Dirt Bike

KPMI

RACINGVALVE SPRING KIT

SKU 40-41400·Uncategorized
$197.59

In stock · stock as of Sep 16, 2026

Shipping calculated at checkout

30-day returns on unused parts

Details

KPMI® valve springs are wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI® valve springs are heat-treated, stress relieved, and shot peened to insure maximum performance and life. Springs are engineered for each specific application using proprietary advanced spring design simulation, and analysis software. Engineers pay special attention to cam and spring harmonics, stress, mass, and operating rpm.

Specs

Vehicle
Dirt Bike
Weight Lb
0.44
Shipping Class
standard

Vehicle Fitment

Check KPMI RACINGVALVE SPRING KIT (part 40-41400) against your vehicle before ordering.

Supplier-confirmed applications for this exact part. Match the year, make, and model below. A listed application is not confirmation for an unlisted vehicle.

Kawasaki KX250F

2017–2019

Parts for the Same Vehicles

These parts share at least one listed vehicle application. Check each part’s fitment for your model and year.