SPEED PERF6RMANC3
Underdog Ford Ecoboost Twin Scroll Cylinder Head
Underdog Ford Ecoboost Twin Scroll Cylinde
Big Dog Ford Ecoboost Twin Scroll Cylinder Head
Any Idea what's an O-ring Service? If not rest assured you will after this quick read!
A head that is O-ringed simply means a groove is cut onto the head all the way around the combustion chamber. A ring is then inserted into the groove so that ONLY the rounded edge extends out from the surface. A receiver groove is then pulverized into the head. When a moldable material is used, the ring's protuberant pushes the softer copper gasket into the receiver groove mating the combustion chamber and entirely sealing it off.
This process is used to change the geometry of the seal. Rather than two flat surfaces being adhered to each other by the bolts, the material is in fact being pushed past the flat sealing surface, cutting the chamber off completely.
So, what does this mean for you? Let's find out!
Simple. This service allows for higher boost levels and minor chances of blowing the head gasket.
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Competition Valve Job
What the he*k is this?
A competition valve job is a simple way to help you gain more horse power.
This process is a 3 or 5 angle valve job, and consists of lowering the position of the valve seal sitting area that you would typically find in a standard valve job. By doing so the valve seals better and creates more power.
So how will this get you more power?
Well it is fairly simple to understand. When you lower the area where the valve sits you create a larger hole which allows more fuel and air to enter the cylinder head. Hence, creating more horse power.
-Valve Seat Position-
A competition valve job is more than just 3 or 5 angles. The width and positioning of the 45-degree seat angle is crucial for the intake valve. Builders often prefer to position the seat as elevated (toward the combustion chamber) on the valve as possible.
In exhaust valves the majority of engine builders prefer to position the valve seat towards the center of the valve. Why you ask? Exhaust valves typically function much hotter than intake valves therefore, positioning the valve seat lower increases the longevity of the scorching exhaust valves.
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Product Includes
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You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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