Kibblewhite Cylinder Head Kit C674 Valve Guides Black Diamond Valves - Honda CRF250X/CRF450X 2005-2017
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✓ Fits
- Honda CRF450X 2005-2017
✓ Features
- Kit includes complete top end gasket kit, full set of KPMI standard valves, high performance titanium spring kit, complete set of valve guides, and Viton valve stem seals
- Top end gasket kit includes base gaskets, engine case gaskets, exhaust gaskets, head gaskets and necessary o-rings and washers
- C630 valve guides are a blend of copper, nickel, and aluminum
- C674 valve guides are a softer Manganese that are easily reamed
- Black Diamond valves are a one pieced forged stainless steel valve that are impregranted by a special German process to improve wear properties and reduce friction
- White Diamond valves are fully CNC machined from one-piece forging of either EV8 Stainless Steel or Inconel-751 material, and are hard chromed with a 360° anode to produce the highest possible grade of a hard chrome finish
✓ What's Included
- (1) Kibblewhite Cylinder Head Kit C674 Valve Guides Black Diamond Valves
✓ Specs
- Brand: Kibblewhite
- Manufacturer part #: 30-33450
- Material: C674 Bronze
- Application: Intake
- Spring Lift Imperial: 0.440"
- Spring Seat Pressure: Intake 40 lb, Exhaust 70 lb
- Application: Exhaust
- Collar Material: Titanium
- Condition: New
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📦 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.
Questions? Contact us, we respond within 24 hours.
