Honda CRF250R/X (2004–2017) Cylinder Head Service Kit – Kibblewhite Black Diamond™
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Honda CRF250R/X (2004–2017) Cylinder Head Service Kit – Kibblewhite Black Diamond™ Description Race-proven top-end domination — the Kibblewhite 30-33300 (0926-3116) Black Diamond™ Cylinder Head Service Kit is the ultimate high-performance overhaul for 2004–2017 Honda CRF250R & CRF250X. Featuring Black Diamond™ one-piece forged valves, C674 manganese bronze guides, CrSi dual springs, titanium retainers, Viton seals, and a complete top-end gasket kit — this kit delivers maximum flow, extreme durability, and redline reliability. Rebuild it. Pin it. Win it.
What’s Included
- 2x Intake Black Diamond™ Valves (standard)
- 2x Exhaust Black 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 (50 lb seat / 145 lb @ 0.350" lift)
- 2x Exhaust CrSi Dual Valve Springs (same specs)
- 2x H.T. Steel Basewashers (intake & exhaust)
- 2x Viton Valve Stem Seals (intake & exhaust)
- Complete Top-End Gasket Kit (head, base, exhaust, case gaskets, O-rings, washers)
Key Features
- Black Diamond™ Valves — German-impregnated, one-piece forged stainless, reduced friction & wear
- C674 Bronze Guides — soft manganese alloy, easily reamed, superior heat transfer
- CrSi Dual Springs — 50 lb seat / 145 lb @ 0.350" lift, high-RPM stability
- Titanium Retainers — lightweight, high-strength, max valve control
- Viton Seals — high-temp, oil-resistant, long-life performance
- Full gasket kit — leak-proof sealing, race-ready
Fitment Fits the following models and years:
- 2004–2007 Honda CRF250R
- 2004–2017 Honda CRF250X
Warranty Info Backed by Kibblewhite limited warranty. Professional installation required. WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Price & SKU Retail Price: $449.95 SKU: 0926-3116 / 30-33300 Estimated Shipping Weight: 1.15 lbs Handling Time: Ships next business day
📦 Shipping Information
In-stock items ship next business day. ModQuad parts dispatch Monday through Thursday.
Made-to-order and custom powder coat items show their lead time at the top of this page, right next to the truck icon. These are built fresh for you, so timing varies by brand and current backlog.
Need something by a specific date? Call us at 541-668-7503 before ordering and we will check stock and ETA on that exact part. We can often point you to an in-stock alternative from another distributor.
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