KIBBLEWHITE Valve Spring Kit 80-81100

If you're running high-RPM applications or extended track sessions, OEM titanium valve springs degrade quickly under sustained stress. The Kibblewhite 80-81100 stainless steel conversion kit replaces worn or marginal valvetrain components with precision-engineered parts designed to extend service life up to 4x longer while maintaining reliable sealing and spring rates across your RPM band. This is essential for anyone serious about valvetrain longevity and consistent performance.

Each kit includes purpose-built components engineered specifically for your application using F.E.A. analysis and proprietary spring design software—not generic aftermarket alternatives. You get the reliability of Black Diamond™ stainless intake valves paired with heat-treated chrome-silicon springs and ultra-light titanium retainers, all manufactured in the U.S.A. with the precision your engine demands.

• Forged stainless steel intake valves
• Chrome-silicon heat-treated springs
• Ultra-light titanium retainers
• Hardened steel bases included
• 4x longer service life vs. OEM
• F.E.A. engineered design
• Application-specific fitment
• Made in U.S.A.
• Bolt-on conversion kit