2Bros Parts

VALVE SPRING SET CRF450 09-12, KIBBLEWHITE 30-31250 RACING, LIGHTWEIGHT KIT

£215.72

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Kibblewhite Racing Lightweight Valve Spring Kit for CRF450R 2009-2012. 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.

Specifications
SKU
65-708
Brand
Kibblewhite
Availability
In Stock (2)

Fitments (4)

MakeModelYear
HONDACRF 450R2009
HONDACRF 450R2010
HONDACRF 450R2011
HONDACRF 450R2012
General Product Group
Cam & Valvetrain
General Product Type
Valve Spring
Variant Id
264333
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Kibblewhite Racing Lightweight Valve Spring Kit

Upgrade your motorcycle's performance with this high-quality valve spring kit from Kibblewhite. Engineered for racing applications, this kit is designed to optimize valve operation for enhanced engine power and responsiveness.

This comprehensive kit includes everything needed to replace your stock valve springs, featuring lightweight chrome silicon springs for reduced valvetrain mass and improved high-RPM performance. The kit also contains durable titanium retainers and hardened steel lower collars, ensuring longevity and reliability under demanding conditions.

This kit is suitable for applications with up to 0.440 valve lift and is designed to meet the rigorous demands of off-road racing.

Key Features:

  • Lightweight Chrome Silicon Springs: Reduce valvetrain inertia for better high-RPM performance.
  • Titanium Retainers: Offer superior strength and lightness.
  • Hardened Steel Lower Collars: Provide a durable seating surface for the springs.
  • Optimized for Racing: Engineered for high-performance off-road use.
  • Valve Lift Capability: Suitable for applications up to 0.440 inches.
  • Exhaust Spring Specifications: 70# Seat Pressure, 183lb @ 0.375 inch lift.
  • Intake Spring Specifications: 40# Seat Pressure, 130lb @ 0.375 inch lift.
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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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