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Supertech Performance SEVN-1010 High-Performance Engine Valve

(2002-2009 Subaru Impreza; 2005-2009 Subaru Outback; 2004-2013 Subaru Forester; 2005-2012 Subaru Legacy; 2004-2006 Subaru Baja)

Manufacturer

Picture for manufacturer Supertech Performance

Part Number

SEVN-1010
13 reviews
Sale Price

$20.90

Estimated ship date Friday, November 20

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Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

Supertech Performance brings over 20 years of manufacturing expertise to the SEVN-1010, a precision-engineered engine valve designed for high-performance and competition applications. Developed in close collaboration with professional engine builders, each valve is rigorously tested to deliver exceptional flow rates, long-term durability, and consistent quality across a wide range of motorsport and street performance builds.

Material Options:

  • Stainless Steel (EV8 / 21-4N Alloy): One-piece forged construction for maximum strength and reliability. Primarily used for both intake and exhaust valves, with additional alloys and heat treatment options available for specialized applications.
  • Inconel 751 Nickel-Base Alloy: Engineered for extreme-heat exhaust applications, including turbocharged and supercharged engines where exhaust temperatures exceed the limits of standard stainless steel.

Coating Technologies:

  • Chrome Coating: A widely used finish in performance valves offering excellent hardness and heat resistance.
  • Black Nitride Treatment: A surface-hardening process that produces a smoother finish than chrome, reducing friction between the valve stem and guide for improved longevity and performance.

Sold individually — one valve per unit. When ordering for an engine that requires multiple valves (e.g., 16 valves for a 4-cylinder with four valves per cylinder), order the exact quantity needed.

Products specifications

Fits

2002-2009 Subaru Impreza; 2005-2009 Subaru Outback; 2004-2013 Subaru Forester; 2005-2012 Subaru Legacy; 2004-2006 Subaru Baja

Head Dia

32.00mm (Std)

Length

104.70mm (Std)

Material

Black Nitrided

Stem Dia

5.96mm

easy

Great and easy experience.

Part was an exact plug in light socket with connector wires, it snapped in place worked like a charm, they beat the expected delivery schedule, couldn't ask for anything else.

Great price

Top notch customer service!

Fast shipping great product

So far so good ! :)

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Great Price!!<br>Fast Shipping!!<br>Would definitely use again....

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This was my first order with Autoplicity. I was pleasantly surprised when my order showed up quickly and was exactly what I wanted. I will be buying from this company again. Thanks for the quick service and fair pricing.

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I ordered a Thule 9002 Raceway Bike Carrier on Sunday, April 8 and received the product by Fedex on Wednesday, April 11 with just regular shipping. That is fast service. And the price was $43 cheaper than any other site on the internet (including shipping). I haven't had a chance to use the bike carrier yet but it appears to be new and as advertised with no issues as of this writing. I would definitely recommend this retailer for your next purchase. Order Number: 9111

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