2Bros Parts

SPRING VALVE 20 RACING 1998-2003 YAMAHA YZF R1 KIBBLEWHITE INTAKE EXHAUST ROAD 80-80256

£619.22

4.1 Trustpilot 99.9% positive on eBay

Free UK delivery 2–4 business days

Spread the cost with Klarna 18+, T&Cs apply

1

KIBBLEWHITE 65-6325 Racing Valve Spring. Designed in-house using proprietary simulation to optimise stress distribution and fatigue life, and processed with targeted stress relief and shot peening for enhanced mechanical strength and consistency. Supplied as spring only. High-performance racing valve spring for high-RPM motorcycle engine valvetrain. Manufacturer: KPMI. Product type: High-performance racing valve spring. Configuration: Spring only. Intended use: High-RPM motorcycle engine valvetrain. Cross-reference OEM part numbers: 65-6325, 80-80256.

Specifications
SKU
65-6325
Brand
Kibblewhite
Availability
In Stock (2)
General Product Group
Cam & Valvetrain
General Product Type
Valve Spring
Variant Id
264265
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

Kibblewhite Racing Valve Spring

Experience superior valvetrain performance with the Kibblewhite Racing Valve Spring. Engineered for precision and durability in high-RPM motorcycle engines, this spring is designed to optimize stress distribution and extend fatigue life. Through advanced in-house simulation and proprietary design software, each spring undergoes targeted stress relief and shot peening processes, significantly enhancing its mechanical strength and consistency under demanding conditions.

Key Features:

  • Proprietary design and simulation for optimized performance.
  • Stress-relieved for improved stability under high load conditions.
  • Shot-peened to increase fatigue strength and overall durability.
  • Racing-grade construction for high-performance applications.
  • Supplied as a spring only component.

Specifications:

  • Manufacturer: KPMI
  • Product Type: High-Performance Racing Valve Spring
  • Configuration: Spring only
  • Intended Use: High-RPM motorcycle engine valvetrain

Cross-Reference OEM Part Numbers:

  • 65-6325
  • 80-80256
Before you buy

QUESTIONS? JUST ASK

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

Call or email us with your make, model and year 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

By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.

More answers in our FAQ.

Trade pricing available

Buying parts for your business? Apply for a 2BrosParts trade account.

Apply for Trade
1