Kawasaki KX250F (2004–2006) White Diamond® Cylinder Head Service Kit – Kibblewhite 40-41500
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Kawasaki KX250F 2004–2006 White Diamond® Valve Kit w/ C674 Guides & Ti Springs – Kibblewhite Description Hard-chromed, race-proven flow — the Kibblewhite 40-41500 White Diamond® Cylinder Head Service Kit is a complete high-performance package for 2004–2006 Kawasaki KX250F. White Diamond® hard-chromed valves (EV8 stainless), C674 manganese bronze guides, CrSi dual springs, titanium retainers, Viton seals, and full top-end gasket kit — drop-in reliability for MX, supercross, or vintage racing.
What’s Included
- 2x Intake White Diamond® Valves (standard)
- 2x Exhaust White Diamond® Valves (standard)
- 2x Intake C674 Manganese Bronze Guides
- 2x Exhaust C674 Manganese Bronze Guides
- 2x Intake Titanium Retainers
- 2x Exhaust Titanium Retainers
- 2x Intake CrSi Dual Valve Springs (46 lb seat / 155 lb @ 0.445" lift)
- 2x Exhaust CrSi Dual Valve Springs (same specs)
- 2x H.T. Steel Basewashers (intake & exhaust)
- Viton Valve Stem Seals
- Complete Top-End Gasket Kit (head, base, exhaust, case gaskets, O-rings, washers)
Key Features
- White Diamond® Valves — CNC-machined EV8 stainless, 360° hard chrome finish
- C674 Bronze Guides — manganese alloy, superior heat transfer, easy reaming
- CrSi Dual Springs — high-RPM stability
- Titanium Retainers — lightweight, max valve control
- Viton Seals — high-temp, oil-resistant, long-life
- Full gasket kit — leak-proof sealing
Fitment
- 2004 Kawasaki KX250F
- 2005 Kawasaki KX250F
- 2006 Kawasaki KX250F
Warranty Info Backed by Kibblewhite limited warranty. Professional installation required. WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Price & SKU Retail Price: $453.05 SKU: 0926-3123 / 40-41500 Weight: 1.05 lbs Availability: In Stock
📦 Shipping Information
In-Stock Items:
- Most parts ship next business day
- Modquad parts: Monday–Thursday dispatch
Made-to-Order Items:
- Custom swingarms & A-arms: 2–4 weeks
- EVP exhaust systems: 2–4 weeks
Stock Guarantee: Items marked "In Stock" ship immediately. Made-to-order items are built fresh for you.
Questions? Contact us—we respond within 24 hours.