Kibblewhite

30-30920

06-09 HONDA TRX450R: Kibblewhite Valve Spring Kit

SKU: tr-530968

Valve Parts

Kibblewhite takes a scientific "system" approach when designing their valve spring kits.
Each component is designed to work with the others as part of the complete system.
Kibblewhite's engineers use a proprietary design and simulation software, and draw on their 70+ years of design experience to create these systems.
Kibblewhite's design, simulation, and manufacturing processes insure compatibility of the valve spring's force and natural frequency with the cam profile, valvetrain mass, system harmonics, and the engine RPM.
Kibblewhite spring manufacturing partners are U.S.-based companies that are ISO certified.

The Super-Clean Chrome Silicon valve spring wire they use is traceable back to Kobe, Japan, where some of the best spring wire in the world is manufactured. Combining the design and simulation protocols with this premium quality valve spring wire, and manufacturing processes including, heat treatment, stress relief, and shot peening, allow Kibblewhite to supply you with the best valve springs in the world. Kibblewhite valve springs come complete with lightweight racing titanium retainers, chrome silicon springs, and lower steel collars as required for ONE engine. The Kibblewhite valve spring kit is easy to install and helps reduces valve float in the high revving engines, adding durability and reliability to the engine.Detailed Specifications: Type: Racing valve spring kit. Description: Intake - 0.440" valve lift OK, 40# seat pressure / 130# at 0.375" lift, Exhaust - 0.440" valve lift OK, 70# seat pressure / 183# at 0.375" lift. Retainers: Titanium (Part #30-30921 and 30-30924). Keepers: Use O.E.M. Springs: Chrome silicon (Part #30-30923 and 30-30926). Basewashers: Heat treated steel lower collars (Part #30-30922 and 30-30925). Note: Image is for reference only; actual product may vary according to fitment.

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