SKU: 88794939

Supertech Black Nitride / Sodium Filled Inconel Race Dished Valve Set - K-series (K20C1) FK8

Sale price$298.20 Regular price$331.33
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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3

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Description

Supertech Black Nitride / Sodium Filled Inconel Race Dished Valve Set - K-series (K20C1) FK8Supertech Valve made in one piece forged stainless steel. Supertech Performance uses mainly SAE EV8 (UNS S63008) for the Intake and Exhaust valve. Supertech Performance apply's different heat treatments to this material to obtain different hardness and ductility in accordance to application and budget (Street Performance or Heavy Duty Racing). Black Nitrate Intake Valves Specs: Head Diam: 35mm Material: Stainless Steel 21 4N Groove Type: Single Groove

Supertech Valve made in one piece forged stainless steel. Supertech Performance uses mainly SAE EV8 (UNS S63008) for the Intake and Exhaust valve.

Supertech Performance apply's different heat treatments to this material to obtain different hardness and ductility in accordance to application and budget (Street Performance or Heavy Duty Racing).

Black Nitrate Intake Valves Specs:

  • Head Diam: 35mm
  • Material: Stainless Steel 21-4N
  • Groove Type: Single Groove
  • Length: 117.25mm
  • Stem Diam: 5.48mm

Sodium Filled Exhaust Valve Specs:

  • Head Diam: 29mm
  • Material: Inconel-Nimonic / Sodium Filled
  • Groove Type: Single Groove
  • Length: 114.7mm
  • Stem Diam: 5.47mm

Sold as a 16pc set (8 intake / 8 exhaust valves)

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 88794939

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Christopher Johnson
Natrona Heights, US
★★★★★ 5
Nice
Fit perfectly works the same
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Reviewed in the United States on July 15, 2023
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mike s.
Lexington, US
★★★★★ 1
Starter
Didn't even last two months having to replace it already
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Reviewed in the United States on March 22, 2026
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Yianni Tripodis
Port Orchard, US
★★★★★ 5
Price/Quality
Packaged very well, perfect fit and the quality looks great. Well worth the price.
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Reviewed in the United States on April 11, 2026
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Roscoe and Tori
Draper, US
★★★★★ 5
DIY!!
Bought this cabin air filter for my 2015 Honda CR-V and it fit perfectly. Installation was super easy and only took a few minutes. I immediately noticed the air coming through the vents smelled cleaner. No need to have it replaced for you. Definitely worth it if you want an affordable replacement that gets the job done.
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Reviewed in the United States on May 19, 2026
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Ben W.
Fort Morgan, US
★★★★★ 5
Perfect replacement
Perfect replacement for our 2016 Acura RDX. Easy to install.
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Reviewed in the United States on May 3, 2026

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