
Pro Design Cool Head Optional Domes
- Part #
- 1058650004
- Availability
- In stock
Check if it fits your vehicle
Only vehicles this part fits are listed.
- Fast Reliable Shipping
- Easy 30-Day Returns
Description
For use with Pro Design's Cool Head header, the Cool Head Optional Domes are an optional add-on that gives you even more adjustability and performance you can custom tailor to match your ATV and riding style. These replaceable combustion chambers come in a variety of displacements to accurately raise or lower the compression ratio of your engine and provide the performance you want. CNC machined from aluminum alloy, Pro Design build their Cool Heads to give your ATV great performance and a trick look.
- Differently sized compression chamber domes
- Easily alter compression ratio with different sized domes
- For use with Pro Design Cool Head cylinder head
- Tune your compression ratio to match riding conditions
- Available in several displacements
- CNC machined from high strength aluminum alloy
Specifications
| Brand | Pro Design |
|---|---|
| Part # | 1058650004 |
| Product type | Engine |
| Category | Engine |
| Size | 21cc |
| UPC | PD307-YD |
Fitment (1)
| Make | Model | Years |
|---|---|---|
| Yamaha | YFZ350 BANSHEE | 1987-2006 |
Shipping & Returns
Is shipping free?
Yes. Shipping is free on every order to a US address, and we email you the tracking number when it ships.
What shipping options are available?
Orders are shipped via FedEx, USPS, OnTrac, or other reputable carriers, depending on the most suitable option for your order. Please contact us for expedited shipping requests.
Do you ship outside the USA?
Currently, we ship within the United States only.
Do you ship to Alaska and Hawaii?
Yes, we ship to Alaska and Hawaii.
What could cause a shipping delay?
Delays may occur due to incorrect shipping addresses, carrier disruptions, or holiday periods. If an address issue affects delivery, we will contact you using the information provided with your order.
How do I return an item?
Items may be returned within 30 days of delivery, provided they are unused, in new condition, and in their original packaging. Please contact us with your order number to initiate a return.
Customers are responsible for return shipping costs for ordering errors or change-of-mind returns. If we send an incorrect or damaged item, please email us with your order number and photos of the item. If the error is confirmed to be ours, we will cover the return shipping costs.
Refunds are based on the purchase price of the returned product and are processed after the return is approved and inspected.
See our shipping policy, refund policy and FAQ.












