Supertech Intake Valve Set +1mm Oversize - RB26DETT, Nissan Skyline GT-R

Supertech Intake Valve Set +1mm Oversize - RB26DETT, Nissan Skyline GT-R

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$401.45
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Supertech Intake Valve Set, +1mm Oversize
BNR32, BCNR33 & BNR34 Nissan Skyline GT-R

 

Higher Flow Rates
Supertech Valves are not finished from generic blanks, they are specifically designed for each and every application. Supertech works relentlessly, testing and researching every aspect trying to improve the air flow of the valve design.

Durability
With every valve design Supertech strives to maximize durability through higher fatigue resistance and tensile strength. Each valve tip is hardened beyond 52HRc.

Stem Super finishing
In 2006 Supertech introduced stem Superfinishing as a standard addition to all of the valves and provided it at no additional cost. When our Superfinish is combined with a Black Nitrided valve it reduces the surface roughness to 1/3 of the chrome coated valve. The end result… unsurpassed performance and durability.

Strict Dimensional Tolerances
It's unlikely you will find any of Supertech's competitor’s valves with stricter dimensional tolerances than theirs. Combine that with finished seats with equally strict run out tolerances and you won’t find a better sealing, better performing and easier to install solution anywhere!

Black Nitrade:
This is a hardening treatment that even though it is not widely used as the chrome coating, it has several benefits and is becoming very popular, mainly for European and Japanese applications.
The microhardness is higher than the stainless steel base material, keeping good ductility beneath the hard nitrided layer (microhardness is 800HV minimum).
Surface finish is smoother than with chromed stems, having less friction between stem and guide.
Valve seat surface is harder with the nitrided layer, lasting longer with lead free fuels, alcohols, nitro or other explosive mixes. Matches any kind of seats (nodular iron seats, steel powder metal seats, hard aluminum-copper seats or beryllium copper seats).
Higher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.
The nitrided layer is adhered to the base material at a microscopic level, so does not flake or break when the valves bend due to impacts with the pistons.
The Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.
All valves are swirl polished, have stem undercut and a hardened tip.

Application: BNR32, BCNR33 & BNR34 Nissan Skyline GT-R RB26DETT

  • Quantity: 12 Intake Valves
  • Head Diameter: 35.65 (+1.0mm)
  • Length: 102.30mm
  • Stem Diameter: 5.97mm
  • Material: Black Nitraded

Returns Policy
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.

Shipping
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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Pickering, ON, L1W 1Z9, Canada
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