SKU: 14309588424

Supertech MAIVN-1206 - Supertech Performance Valves - Mazda Miata 1.8Lts. Intake Valve 34.00x5.96x102.60

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Ships within 48 hours · Estimated delivery Aug 29 - Sep 3

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Description

Supertech MAIVN-1206 - Supertech Performance Valves - Mazda Miata 1.8Lts. Intake Valve 34.00x5.96x102.60Supertech MAIVN 1206 Supertech Performance Valves Mazda Miata 1. 8Lts. Intake Valve 34. 00x5. 96x102. 60 Supertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either

Supertech MAIVN-1206 - Supertech Performance Valves - Mazda Miata 1.8Lts. Intake Valve 34.00x5.96x102.60

Supertech valves are the best on the market, made from one piece of forged stainless steel for the ultimate in strength and durability. Supertech valves go through a special heat treatment process that obtains the right amount of harness for each engine to ensure the ultimate valve for your performance motor. Supertech offers their valves in either chrome coating, used in high performance valves, or hardened black nitrided which is most popular in European and Japanese motors.

Supertech High Performance Race Engine Valves features:

  • 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.
  • Valve 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).
  • Higher rpm's engines take full advantage of all previous features. The higher the engine speed the bigger the power loss due to internal engine friction! The black nitride layer reduces this power loss due to less valve-guide friction.
  • The nitrided layer is adhered to the base material at a microscopic level, so does not"flake" or brake when the valves bend due to impacts with the pistons.
  • The Black Nitride applies to the whole valve while the chrome coating is only applied to the stem.
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: 14309588424

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Joey Joe
West Palm Beach, US
★★★★★ 3
The liner of the shirt can be unsightly with the neck worn open
Color: Black-polka Dots, Size: XX-Large
Be warned, if you get black, the shirt may actually be white inside.  I ordered the black with white poka dots.  The shirt was nice enough an would have looked okay completely buttoned to the top, however, if you wear the neck open like the model shows in the photos, the shirt is not like that.  The shirt has an unsightly white liner which totally shows if you wear the neck unbuttoned at all.
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Reviewed in the United States on July 11, 2025
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Debbie Lucas
Dallas, US
★★★★★ 5
Great shirt
Color: Royal Blue, Size: XX-Large
The shirt was beauntiful. Lightweight which is perfect for my husband and it matches my dress for a wedding we’re going too
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Reviewed in the United States on May 29, 2026
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Francine A. Harrington
Chelsea, US
★★★★★ 5
Green 💚
Color: Dark Green, Size: X-Large
Beautiful color and fits my husband perfectly.
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Reviewed in the United States on May 25, 2026
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Amazon Customer
Louisville, US
★★★★★ 5
Size was right on
Color: Black, Size: XX-Large, Color: Black, Size: XX-Large
This is my new stage shirt. I got so many compliments of the look and feel.
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Reviewed in the United States on May 18, 2026
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Amazon Customer
Chelsea, US
★★★★★ 5
Color is excellent
Color: Dark Green, Size: X-Large
The fit overall is good. The arms are a little big but fits well everywhere else. Love the color.
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Reviewed in the United States on April 4, 2026

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