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Supertech Valves for 1994-2005 Mazda Miata 1.8L

Miata Engine Valves

MAIVN1200/MAEVN1200
Price is for an individual valve (qty 1). Please see our complete Valve Set offerings if you are looking to put together a full set of valves. For the options and valve specs, see the information below:
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Pricing: $17.40

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Description

Supertech Valves for 1994-2005 Mazda Miata 1.8L

Exhaust Valve Specs:

MAEVN-1204 Exhaust Valve:

  • Material: Black Nitrided
  • Head Dia: 28.00mm(std OEM size)
  • Length: 102.60mm(+.6mm longer than OEM)
  • Stem Dia: 5.94mm

    MAEVN-1206 +1mm Exhaust Valve:

  • Material: Black Nitrided
  • Head Dia: 29.00mm (+1mm oversize)
  • Stem Dia: 5.94mm
  • Length: 102.60mm(+0.6mm longer than OEM)

    MAEVI-1206 +1mm Exhaust Valve:

  • Material: Inconel
  • Head Dia: 29.00mm(+1mm larger than OEM)
  • Length: 102.60nn(+0.6 longer than OEM)
  • Stem Dia: 5.94mm
  • Additional Info: MAEVI-1206 is made from a Nimonic material also know as an Inconel (high temperature alloy). This material is most commonly used in the exhaust side, for engines yielding more then 120hp per litre. This reason for inconel is so the valve will not warp under higher heats. Inconel is a much more expensive material, causing a higher cost.

    Intake Valve Specs:

    MAIVN-1204(hi flo) Intake Valve:

  • Material: Black Nitrided
  • Head Dia: 33.00mm (std)
  • Length: 103.10(+1.1mm longer than OEM)
  • Special High Flow shaping of the valve stem

    MAIVN-1208(std flo) Intake Valve:

  • Material: Black Nitrided
  • Head Dia: 33.00mm (std)
  • Length: 102.00mm (OEM)

    MAIVN-1206(hi flo) Intake Valve:

  • Material: Black Nitrided
  • Head Dia: 34.00mm (+1 larger than OEM)
  • Length: 102.6mm(+0.6mm longer than OEM)
  • Special High Flow shaping of the valve stem

    Engine Valve Technology
    Supertech applies more than 30 years of experience in the development of each and every Supertech racing valve they make. Combine this experience with state of the art equipment such as ultrasonic tests, x-rays, laser measurement equipment, and applications like computerized Finite Element Analysis (FEA) and it is no wonder why supertech has some of the best performance products on the market. While this is more than most manufacturers we don’t stop there. We also do extensive testing working very closely with many of today's top engine builders in order to continuously improve our products. All of this is meant to insure Supertech's industry leading reputation for high flow rates, durability and uncompromising quality.

    Higher Flow Rates
    Our valves are not finished from generic blanks rather they are specifically designed for each and every application. We work relentlessly, testing and researching every aspect trying to improve the air flow of our designs.

    Durability
    With every valve design we strive to maximize durability through higher fatigue resistance and tensile strength. Each valve tip is hardened beyond 52HRc.

    Stem Super finishing
    In 2006 we introduced our stem Superfinishing as a standard addition to all of our valves and provided it at no additional cost. When our Superfinish is combined with our Black Nitrided valve it reduces the surface roughness to 1/3 of our chrome coated valve. The end result… unsurpassed performance and durability.

    Strict Dimensional Tolerances
    It's unlikely you will find any of our competitor’s valves with stricter dimensional tolerances than our Supertech valves. Combine that with finished seats with equally strict run out tolerances and you won’t find a better sealing, better performing and easier to install solution anywhere!

  • Details

    Shipping Information

    • Item Requires Shipping
    • 1.0 lbs.
    • W6.0000” x H3.0000” x L8.0000”
    • Free Shipping over $150!

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