KIBBLEWHITE - 30-33330 - Cylinder Head Service Kit - '17-'18 Honda CRF450RX, CRF450R
Kibblewhite built 30-33330 as a one-box solution for '17-'18 Honda cylinder head work, full top-end gasket kit, KPMI standard valves, a high-performance titanium spring kit, valve guides, and Viton stem seals, so the guesswork of matching individual components is already done. The gasket kit alone covers base, case, exhaust, and head gaskets along with the o-rings and washers a proper rebuild needs.
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
Specs
- Application: Intake
- Spring Lift: Intake 0,440" , Exhaust 0,405"
- Application: Exhaust
- Collar Material: Titanium
- Material: C630 Bronze
- Product Name: Cylinder Head Service Kit
- Model: White Diamond®
- Units: Kit
- Spring Lift: Intake 0.440", Exhaust 0.405"
- Spring Open Pressure: Intake 162 lb, Exhaust 220 lb
- Spring Seat Pressure: Intake 50 lb, Exhaust 90 lb
- Riding Style: Off-Road
- Valve Seat Height: Intake 1.340", Exhaust 1.360"
Frequently Asked Questions - KIBBLEWHITE - 30-33330 - Cylinder Head Service Kit - '17-'18 Honda CRF450RX, CRF450R
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.
