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Supertech Performance SEVI-1014-2 High-Performance Engine Valve

(2002-2012 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

SEVI-1014-2
20 reviews
Sale Price

$33.99

Estimated ship date Friday, November 20

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Product Details

The Supertech Performance SEVI-1014-2 is a precision-engineered engine valve backed by over 20 years of manufacturing expertise. Developed through intensive testing and close collaboration with professional engine builders, Supertech valves are built to deliver high flow rates, exceptional durability, and consistent quality across a wide range of performance applications.

Supertech recognizes that every engine has unique demands, which is why their valves are available in multiple materials to match the specific requirements of any build — from street performance to forced induction race applications.

Available Material Options:

  • Stainless Steel (EV8 / 21-4N Alloy): One-piece forged construction for superior strength and reliability. EV8 (21-4N) stainless is used for both intake and exhaust valves, with additional alloys and heat treatments available for specialized applications.
  • Inconel 751 Nickel-Base Alloy: Designed for exhaust valves operating under extreme temperatures — ideal for turbocharged or supercharged engine applications where heat resistance is critical.

Protective Coatings:

  • Chrome Coating: A widely used finish in performance valve applications, providing a hard, wear-resistant surface.
  • Black Nitride Treatment: A hardening process that produces a smoother surface than chrome, reducing friction between the valve stem and guide for improved longevity and performance.

Sold individually — one valve per unit. Please order the exact quantity of valves required for your engine build (e.g., order 16 for a 16-valve engine).

Products specifications

Fits

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

Head Dia

33.00mm (+1.0)

Length

104.50mm

Material

Inconel

Stem Dia

5.96mm

Easy experience so far

good

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Great prices, reasonable shipping costs. Shipped within 3 days of order. Didn't receive discount for valid coupon code (25OffShipping). No response to 2 emails. No indication of expected delivery date. Lots of unknowns but you can't beat the pricing.

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.

SO HAPPY! I have to admit, I was hesitant because I had never heard of autoplicity and there wasn't item a picture up for the Thule T2 rack I bought, but wow am I happy. Autopliicity had it for $100 less than other sites and the shipper was Amazon prime fast!!! Definitely a happy customer!!!!

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