VALVE SPRING SET KLX/KFX400, KIBBLEWHITE 40-40148 RACING, Kawasaki KLX / KFX 400 2001-2006, SUZUKI DRZ / LTZ 400 2000 - 2007

Kibblewhite Racing Valve Spring Set

This racing valve spring set from Kibblewhite is engineered for high-performance applications, utilizing a system approach to ensure optimal compatibility and reliability. Each component is meticulously designed to work harmoniously with the others, forming a complete valvetrain system.

Utilizing proprietary design and simulation software, combined with over 70 years of engineering experience, Kibblewhite creates valve spring systems that precisely match valve spring force and natural frequency to the cam profile, valvetrain mass, engine harmonics, and RPM.

The manufacturing partners are ISO certified U.S. based companies. The Super-Clean Chrome Silicon valve spring wire is sourced from Kobe, Japan, renowned for producing some of the world's finest spring wire.

Key Features:

• Designed for high-lift applications up to 0.440 inches.
• Manufactured with Chrome Silicon valve springs.
• Includes Titanium retainers.
• Features High Tensile (H.T.) Steel lower collars.
• 60 lbs seat pressure.
• 175 lbs pressure at 0.440 lift.
• System-designed for optimal valvetrain performance.
• Engineered for compatibility with cam profiles, valvetrain mass, and engine RPM.
• ISO certified manufacturing partners.
• High-quality chrome silicon spring wire.

Note: This part is intended for off-road use only.