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Supertech Performance MIVN-1011 Engine Intake/Exhaust Valve

(1991-1999 Mitsubishi 3000GT; 1991-1996 Dodge Stealth)

Manufacturer

Picture for manufacturer Supertech Performance

Part Number

MIVN-1011
7 reviews
Sale Price

$20.60

Estimated ship date Friday, November 27

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Live-in-stock inventory

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Fitment guaranteed

Fitment guaranteed

Product Details

Supertech Performance brings over 20 years of precision manufacturing experience to their line of performance engine valves. Engineered through intensive testing and close collaboration with professional engine builders, Supertech valves deliver the high flow rates, durability, and consistency demanded by performance and racing applications. Each valve is sold individually (Per Valve) — order the exact quantity required for your engine build.

Material Options:

  • Stainless Steel (EV8 / 21-4N Alloy): One-piece forged construction for maximum strength and long-term reliability. Supertech primarily uses EV8 (21-4N) alloy for both intake and exhaust valves, with additional alloy grades and heat treatments available for specialized applications.
  • Inconel 751 Nickel Base Alloy: Designed for extreme-heat exhaust applications such as turbocharged and supercharged engines, where standard alloys would be insufficient.

Protective Coatings:

  • Chrome Coating: A widely trusted finish in performance valve applications, providing a hard, wear-resistant surface.
  • 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.

Supertech's commitment to continuous product improvement and application-specific engineering makes their valves a top choice for engine builders seeking OEM-quality replacement or high-performance upgrade valves.

Products specifications

Fits

1991-1999 Mitsubishi 3000GT; 1991-1996 Dodge Stealth

Head Dia

35.50mm (+0.5)

Length

106.35mm

Material

Black Nitrided

Stem Dia

6.57mm

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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.

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