SPRING VALVE SET/20 2004-2006 YAMAHA YZF R1 KIBBLEWHITE 80-80503

A high-performance valve spring engineered for precise control and durability in demanding engine applications. Designed and validated using advanced in-house simulation to optimise stress distribution and fatigue life, it undergoes targeted stress relief and shot peening to enhance mechanical strength and consistency.

Features

• Designed in-house using proprietary design and simulation software


• Stress-relieved to improve stability under high load


• Shot-peened to increase fatigue strength and durability


• High performance spring supplied as spring only

Specifications

• Manufacturer: KPMI


• Product type: Valve spring (spring only)


• Application: High-performance motorcycle engine valvetrain

Cross-Reference Numbers

• 65-6330


• 80-80503

Vehicle Fitments

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  Yamaha YZF-R1 (2004–2006)