2Bros Parts

VALVE SPRING SET YZF400 YZF426, KIBBLEWHITE 80-80100 RACING, YAMAHA WR400/426 1998-2002

£180.80

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Kibblewhite 80-80100 Racing Valve Spring Set. Lightweight racing valve chrome silicon springs, titanium retainers, H.T. steel lower collars, and seals. Intake and Exhaust springs support 0.380 valve lift. 40# seat pressure with 86 lb. at .380 lift. For YZF400, YZF426, WR400, WR426 models.

Specifications
SKU
65-724
Brand
Kibblewhite
Availability
In Stock (2)

Fitments (12)

MakeModelYear
YAMAHAWR 400F1998
YAMAHAWR 400F1999
YAMAHAWR 400F2000
YAMAHAWR 426F2000
YAMAHAWR 426F2001
YAMAHAWR 426F2002
YAMAHAYZ 400F1998
YAMAHAYZ 400F1999
YAMAHAYZ 400F2000
YAMAHAYZ 426F2000
YAMAHAYZ 426F2001
YAMAHAYZ 426F2002
General Product Group
Cam & Valvetrain
General Product Type
Valve Spring
Variant Id
264350
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Kibblewhite Racing Valve Spring Set for Yamaha YZF/WRF 400/426

Enhance your Yamaha YZF or WRF 400/426 motorcycle's performance with this high-quality racing valve spring set from Kibblewhite. Engineered for demanding off-road applications, this set is designed to handle increased valve lift and provide reliable performance for your engine.

Key Features:

  • High Lift Capability: Designed to accommodate up to 0.380 inches of valve lift, allowing for improved airflow and performance.
  • Lightweight Chrome Silicon Springs: Constructed from lightweight chrome silicon for reduced mass and improved responsiveness.
  • Titanium Retainers: Features durable titanium retainers for strength and weight savings.
  • High Tensile Steel Lower Collars: Includes robust H.T. steel lower collars for secure valve spring installation.
  • Complete System Design: KPMI (Kibblewhite Precision Machine Inc.) utilizes a scientific, system-wide approach to ensure all components work harmoniously for optimal performance and durability.
  • Pressure Specifications: Both intake and exhaust springs offer 40 lbs. of seat pressure and 86 lbs. of pressure at 0.380 inches of lift.
  • Includes Seals: This comprehensive set comes with necessary seals for a complete installation.

This valve spring set is an ideal upgrade for riders seeking to push the performance limits of their Yamaha YZF400, YZF426, WR400, or WR426 motorcycles.

Before you buy

QUESTIONS? JUST ASK

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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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