Original: $802.00
-65%$802.00
$280.70The Story
A high-performance racing valve spring engineered for precise valvetrain control and durability under high RPM. 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.
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
- Racing-grade spring supplied as spring only
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
Vehicle Fitments
-
Yamaha YZF-R1 (1998–2003)
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
A high-performance racing valve spring engineered for precise valvetrain control and durability under high RPM. 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.
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
- Racing-grade spring supplied as spring only
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
Vehicle Fitments
-
Yamaha YZF-R1 (1998–2003)
