Race Series Valves Intake Set of 8
Head Diameter: | 2.080" |
Installed Height: | Stock |
Margin: | .050" |
O/A Length: | 4.990" |
Seat Width: | .085" |
Stem Diameter: | .3125" |
Tip Length: | .120" |
Top of Head: | 7° Dish |
Underhead Angle/Radius: | Pro Flo 12° x 3/8" |
Weight: | TBA |
Manley Performance has been manufacturing the finest stainless steel valves for over 40 years. Manley valves have been the standard of the industry since their inception; a fact that still remains true today as we’ve entered into new markets.
Manley Performance Chevy LS, Ford Modular, and Chrysler SB HEMI stainless steel valves utilize our exceptional “Race Series” alloy and are manufactured to the highest quality standards.
Manley valves are designed to outflow and outperform all others even in the most severe environments. Manley stainless valves feature gorgeous yet durable chrome stems, swirl polished under heads, fully hardened tips, completely machined combustion faces, closely controlled margin heights, and exact stem to seat concentricity to render a finished product that is unsurpassed.
Manley intake valves typically are built with our original “Pro-Flo” design which reduces the stem diameter in the fillet area for increased airflow but also less valve weight. This concept is executed on our Chevy LS and Chrysler HEMI parts.
In certain specific applications, Manley offers our “Extreme Duty” exhaust material. Our “Extremealloy” alloy offers more hot hardness and high temperature strength than our competitors’ offerings. This alloy is ideal for extremely high boosted applications where the exhaust gas temperatures reach what seem like unthinkable levels. In the case of the Ford Modular 4.6L and 5.4L 3 valve cylinder head engine, we chose to use Extremealloy.
Manley stainless valves are suitable for all applications ranging from the mild street performer to the jaw dropping 1000+ horsepower race cars competing at the drag strip.
Manley has been at the forefront with these niche markets; developing better flowing and stronger aftermarket valves for the Chevy LS and Ford Modular market before our competition. We were the first to offer L-92 valves and our hollow LS valves are the very best in the industry.
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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