KIBBLEWHITE - 30-32900 - Top End Service Kit - '05-'17 Honda CRF450X
Kibblewhite's Top End Service Kit packages everything needed for a complete top-end rebuild on '05-'17 Honda CRF450X engines: pistons, rings, pins, gaskets, valves, and valve springs, all engineered to work together as a matched system. Pistons are machined from 2618 aluminum alloy with a performance skirt coating, and the lightweight racing valve spring kit uses titanium retainers, dual springs, and hardened steel base washers rated for use with high-performance cams. All necessary gaskets, seals, and O-rings are included. Note that this kit is not compatible with OEM components.
Features
- Kit includes all necessary parts for a complete top-end service/rebuild: pistons, piston rings, piston pins, gaskets, valves, and valve springs
- Pistons fully machined from 2618 aluminum alloy with a performance skirt coating
- Lightweight racing valve spring kit with titanium valve spring retainers, dual springs and H.T. steel base washers (springs are suitable for use with high-performance cams)
- All necessary gaskets, seals and O-rings included
- The pistons, rings,valve and pin clips are designed to work togethere as a system.
- Not compatible with OEM components.
Specs
- Application: Intake
- Spring Open Pressure: Intake 147 lb, Exhaust 203 lb
- Units: Kit
- Application: Exhaust
- Collar Material: Titanium
- Valve Seat Height: Intake 1.215", Exhaust 1.365"
- Material: Black Diamond™ Stainless
- Product Name: Top End Kit
- Riding Style: Off-Road
- Spring Lift: 0,440"
- Spring Lift: 0.440"
- Spring Seat Pressure: Intake 40 lb, Exhaust 70 lb
Frequently Asked Questions - KIBBLEWHITE - 30-32900 - Top End Service Kit - '05-'17 Honda CRF450X
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.
