What components are included in this Cylinder Works cylinder head kit?

This kit comes with the cast aluminum cylinder head, cam caps, and bolts. You will need to purchase the valves, springs, retainers, and lifters separately to complete the assembly.

What kind of performance improvements can I expect with this cylinder head?

The unshrouded combustion chamber, blended bowl, and competition-grade valve job are designed to improve airflow. The shortened valve guides also allow for high-lift cams, which can lead to increased torque and overall power.

Are the valve seats and guides durable?

Yes, this kit uses C630 nickel/aluminum valve seats and guides. This material is known for being easier on the valves, which helps to reduce wear and extend the life of these components.

Specifications

Brand: Cylinder Works
Part #: CH1001-K01
UPC: 714205041811

Cylinder Works 2009 Honda CRF 250 R 250cc Cylinder Head Kit

Name: Cylinder Works 2009 Honda CRF 250 R 250cc Cylinder Head Kit
Brand: Cylinder Works
SKU: cylinder-works-cylinder-works-2009-honda-crf-250-r-250cc-cylinder-head-kit-t14-727385
Price: 504.01 USD
Availability: BackOrder

$504.01

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Cylinder Works 2009 Honda CRF 250 R 250cc Cylinder Head Kit. Includes cam caps and bolts for a ready-to-go installation.

Key Features

This kit includes the cylinder head, cam caps, and bolts for your 2009 Honda CRF 250 R.
It's an OEM-style cast aluminum replacement cylinder head.
The unshrouded combustion chamber is designed to improve airflow.
Features a blended bowl and a competition-grade valve job.
Shortened valve guides accept high lift cams for greater torque and enhanced power.
C630 nickel/aluminum valve seats and guides reduce wear on the valves.

This cylinder head kit is specifically designed for the 2009 Honda CRF 250 R. Valves, springs, retainers, and lifters are sold separately.

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About this part

Product Details

This Cylinder Works cylinder head kit for your 2009 Honda CRF 250 R gives you a complete, OEM-style cast aluminum replacement head. Right out of the box, you get the head itself, along with cam caps and bolts, so you can get straight to installation. It's designed to be a straightforward replacement, making it easier to get your bike back up and running.

What sets this head apart is its attention to airflow and performance. The combustion chamber is unshrouded, which helps improve how air moves through the engine. It also features a blended bowl and a competition-grade valve job, meaning the ports have been carefully shaped for better flow. The valve guides are shortened to work with high-lift cams, opening up possibilities for more torque and overall power. Plus, it uses C630 nickel/aluminum valve seats and guides, which are known for being gentler on the valves themselves, helping to reduce wear over time. The ports are shaped like the stock ones, but they're optimized to deliver high performance.

Keep in mind that while this kit includes the head, cam caps, and bolts, you'll need to purchase the valves, springs, retainers, and lifters separately. This allows you to choose the specific components that best suit your riding style and performance goals.