KIBBLEWHITE Intake Kit 40-40350

OEM titanium intake valves wear out faster than you'd like, especially under sustained high-RPM conditions. The KIBBLEWHITE Black Diamond intake valve kit replaces those factory components with stainless steel alternatives that extend valvetrain life by up to 4x, keeping your engine reliable through thousands of additional heat cycles. This is a direct bolt-in conversion—no machine work required—that delivers measurable durability gains without compromising flow or performance.

Every component in this kit is engineered using Finite Element Analysis and proprietary valve spring design software, then manufactured right here in the U.S.A. to ensure precise fitment and consistent quality across your specific engine application.

• Forged stainless steel intake valves
• Chrome-silicon heat-treated wire springs
• Ultra-light titanium retainers
• Hardened steel spring bases
• 4x extended valvetrain life
• Application-specific engineering
• Bolt-on installation
• Made in U.S.A.
• MPN: 40-40350