VALVE SPRING KIT 84-96 HONDA XL XR R L RFVC 200 250 KIBBLEWHITE 30-30077 0.355 LIFT

Kibblewhite Lightweight Racing Valve Spring Kit - 0.355 Lift

This high-performance valve spring kit is engineered by Kibblewhite for demanding 4-stroke engines. Designed for specific applications, these lightweight racing valve springs offer superior performance and durability compared to OEM components, even those with titanium parts. KPMI has meticulously considered critical parameters such as cam profiles, harmonics, natural spring frequency, valvetrain mass, required pressure, wire stress, fatigue life, and engine RPM to create a unified system that excels in high-revving environments.

Key Features:

• Lightweight racing design for enhanced performance.
• Engineered to handle high-revving 4-stroke engines.
• Supports up to 0.355 inch valve lift.
• Intake springs: 55 lb seat pressure / 150 lb at 0.355 lift.
• Exhaust springs: 55 lb seat pressure / 150 lb at 0.355 lift.
• Designed with a focus on valvetrain optimization and longevity.
• Developed with decades of KPMI's valvetrain engineering expertise.