VALVE SPRING SET CRF250 R/X, KIBBLEWHITE 30-30590 RACING, LIGHTWEIGHT KIT

Kibblewhite Racing Lightweight Valve Spring Kit

Elevate your engine's performance and durability with the Kibblewhite Racing Lightweight Valve Spring Kit. Designed by KPMI®, a leader in valvetrain innovation since 1939, this kit is engineered to outperform and outlast OEM components in the demanding environment of high-revving four-stroke engines.

KPMI®'s unified system approach ensures each spring kit is precisely tailored for its specific application. This meticulous design process considers critical parameters such as cam profiles, harmonics, spring natural frequency, valvetrain mass, required pressure, wire stress, fatigue life, and engine RPM to deliver optimal results.

Key Features:

• Type: Intake / Exhaust
• Retainer Material: Titanium
• Valve Lift: 0.350 inches
• Installed Height: 1.320 inches
• Seat Pressure: 50 lbs
• Open Pressure: 145 lbs @ 0.350 inches lift
• Engineered for high-revving four-stroke engines.
• Lightweight design contributes to reduced valvetrain mass.
• Designed to withstand torturous engine conditions.
• Provides superior performance and longevity compared to OEM parts.