2Bros Parts

VALVE SPRING SET CRF450 02-08, KIBBLEWHITE 30-30640 RACING, LIGHTWEIGHT

£198.82

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Kibblewhite 30-30640 Racing Lightweight Valve Spring Set. Features Chrome Silicon Springs, Titanium Retainers, and H.T. Steel lower Collars. Designed for 0.440 valve lift. Exhaust springs have 70# seat pressure and 183lb at 0.375 lift. Intake springs have 40# seat pressure and 130lb at 0.375 lift. Kit includes all necessary components. Weight is 220 grams.

Specifications
SKU
65-707
Brand
Kibblewhite
Availability
In Stock (2)

Fitments (7)

MakeModelYear
HONDACRF 450R2002
HONDACRF 450R2003
HONDACRF 450R2004
HONDACRF 450R2005
HONDACRF 450R2006
HONDACRF 450R2007
HONDACRF 450R2008
General Product Group
Cam & Valvetrain
General Product Type
Valve Spring
Variant Id
264332
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Kibblewhite Racing Lightweight Valve Spring Set

Upgrade your engine's performance with this high-quality Kibblewhite Racing Lightweight Valve Spring Set. Engineered for demanding applications, this kit is designed to optimize valve train operation and enhance overall engine responsiveness.

Key Features:

  • Lightweight Chrome Silicon Springs: Constructed from premium chrome silicon for reduced weight and increased durability, allowing for higher RPMs and improved valve control.
  • Titanium Retainers: Ultra-lightweight titanium retainers further minimize reciprocating mass, reducing stress on the valve train and improving performance.
  • High-Tensile Steel Lower Collars: Robust H.T. steel lower collars provide a solid foundation for the spring assembly, ensuring reliable performance under extreme conditions.
  • Optimized for Performance: Designed to handle valve lifts up to 0.440 inches, providing excellent support for performance camshaft profiles.
  • Specific Spring Pressures:
    • Exhaust: 70 lb seat pressure, 183 lb at 0.375 lift.
    • Intake: 40 lb seat pressure, 130 lb at 0.375 lift.
  • Complete Kit: This comprehensive kit includes all necessary components for a professional installation.
Before you buy

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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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