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Supertech Standard Size Black Nitride Intake & Exhaust Valve Set (DSM/Evo) - Modern Automotive Performance


Supertech

Supertech Standard Size Black Nitride Intake & Exhaust Valve Set | 1G / 2G DSM & Evo 8/9

PART# SUP MIVN-1007 + MEVN-1007
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Email - sales@maperformance.com

Phone 1-888-627-3736


$271.65   $377.30
Instant Savings of 28% ($105.65 USD)

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Supertech Black Nitride Compete Valve Set for Mitsubishi 4G63

Supertech Performance uses their experience of more than 20 years in the manufacturing of racing valves, do intensive testing and work very closely with many engine builders in order to continuously improve and provide the market with the best possible product for every application. High flow rates, durability and quality are of great concern to Supertech Performance.

The black nitride coating 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. Value 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).

Features

  • Standard size
  • Black Nitride treatment increases hardness
  • Withstands non-standard fuel better than stainless steel alone

Applications

  • 1990-1999 1G / 2G DSM
  • 2003-2006 Mitsubishi Evo 8/9

What's In The Box?

  • (8) Intake Valves
  • (8) Exhaust Valves

Warranty

Supertech Black Nitride Compete Valve Set for Mitsubishi 4G63

Supertech Performance uses their experience of more than 20 years in the manufacturing of racing valves, do intensive testing and work very closely with many engine builders in order to continuously improve and provide the market with the best possible product for every application. High flow rates, durability and quality are of great concern to Supertech Performance.

The black nitride coating 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. Value 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).

Features

  • Standard size
  • Black Nitride treatment increases hardness
  • Withstands non-standard fuel better than stainless steel alone

Applications

  • 1990-1999 1G / 2G DSM
  • 2003-2006 Mitsubishi Evo 8/9

What's In The Box?

  • (8) Intake Valves
  • (8) Exhaust Valves

Warranty

Customer Reviews

Based on 4 reviews
100%
(4)
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(0)
0%
(0)
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F
Fernando Dark
Very good product

Very good product, best sale

M
Mike Scherrer
Great valves

They let the cold air in, and the hot air out. My cams love them!

A
Anthony
Black nitride valves

Great valves! Pretty much all there is to say. Have them in my built 1g and Evo! Never given me a problem.

@
@949_evo
They are valves

The black nitride is a good touch. These valves are going to be put under a lot of stress and i picked these to go along with their supertech valve guides and valve seals for smooth operation. I trust that they will do their job as intended.

MAP Limited Lifetime Warranty

1.) All MAPerformance in-house fabricated parts include a Limited Lifetime Warranty for the Original Purchaser. This warranty only applies to the original purchaser and is non-transferrable. If the product fails it would need to be determined by MAPerformance that it is due to manufacturing defects in materials or workmanship.

2.) This does not cover normal wear and tear. Improper use, modification, or abuse voids this warranty. MAPerformance will not be held responsible for additional costs due to the failure of a product (cost of sale, towing, labor, etc.). Warranty claims must be submitted to MAPerformance for review.

3.) You must create a support ticket to acquire your return authorization number prior to returning the product.

4.) Warranty claims will not be honored if the product was not purchased through an approved dealer.

For warranty evaluation please create a support ticket via this form Click Here For Customer Service.