2Bros Parts

VALVE SPRING SET CRF250 R/X, KIBBLEWHITE 30-30590 RACING, LIGHTWEIGHT KIT

£191.80Only 1 left

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Kibblewhite Racing Lightweight Valve Spring Kit. Titanium retainers. Intake/Exhaust. Valve Lift 0.350 inches. Installed Height 1.320 inches. Seat Pressure 50 lbs. Open Pressure 145 lbs @ 0.350 inches lift.

Specifications
SKU
65-710
Brand
Kibblewhite
Availability
In Stock (1)

Fitments (18)

MakeModelYear
HONDACRF 250R2004
HONDACRF 250R2005
HONDACRF 250R2006
HONDACRF 250R2007
HONDACRF 250X2004
HONDACRF 250X2005
HONDACRF 250X2006
HONDACRF 250X2007
HONDACRF 250X2008
HONDACRF 250X2009
HONDACRF 250X2010
HONDACRF 250X2011
HONDACRF 250X2012
HONDACRF 250X2013
HONDACRF 250X2014
HONDACRF 250X2015
HONDACRF 250X2016
HONDACRF 250X2017
General Product Group
Cam & Valvetrain
General Product Type
Valve Spring
Variant Id
264335
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Kibblewhite Racing Lightweight Valve Spring Kit

Elevate your engine's performance and durability with the Kibblewhite Racing Lightweight Valve Spring Kit. Designed by KPMI®, a leader in valvetrain innovation since 1939, this kit is engineered to outperform and outlast OEM components in the demanding environment of high-revving four-stroke engines.

KPMI®'s unified system approach ensures each spring kit is precisely tailored for its specific application. This meticulous design process considers critical parameters such as cam profiles, harmonics, spring natural frequency, valvetrain mass, required pressure, wire stress, fatigue life, and engine RPM to deliver optimal results.

Key Features:

  • Type: Intake / Exhaust
  • Retainer Material: Titanium
  • Valve Lift: 0.350 inches
  • Installed Height: 1.320 inches
  • Seat Pressure: 50 lbs
  • Open Pressure: 145 lbs @ 0.350 inches lift
  • Engineered for high-revving four-stroke engines.
  • Lightweight design contributes to reduced valvetrain mass.
  • Designed to withstand torturous engine conditions.
  • Provides superior performance and longevity compared to OEM parts.
Before you buy

QUESTIONS? JUST ASK

Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.

Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.

UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details

Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy

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More answers in our FAQ.

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