1.866-448.4843 OR 1.480.966.3040
0 Items | $0.00 | Checkout | My Account
Vivid Racing Home Page
Click Here to Search
Bill Me Later
Vehicle Selector
CLEARANCE DEALSAir IntakesBig Brake KitsBrake PartsBody | Aero KitsCar Audio | VideoECU TuningElectronicsEngine InternalsEngine UpgradesBeltsCylinder HeadsEngine StylingGaskets & SealsIgnitionMiscellaneousMotorsMounts/BushingsNitrousOil PartsThrottle BodyTiming Kits Water/Alcohol InjectionExhaust PartsExteriorFuel ComponentsGaugesInteriorOEM Repair PartsPower PackagesPulleysRacing GearRadiator PartsRoll Bars | CagesSuspensionTransmissionTurbo | SuperchargerWheels and TiresUniversal & RepairVivid Racing GearProduct Request Form
Manufactures
Service & Tuning Our Guarantees Price Matching International Orders Extended Warranty Military Discounts Product Reviews Customer Gallery Affiliate Sales Shipping & Returns Terms & Conditions The Vivid Story
Click to Ask a Pro!
Ask a Pro with our
Vivid Racing Support System
Reviews
Mike Savage says: I bought this kit when I swapped in my SR20DET. Install took all of 20 minutes. Comes with everything you need to get it done. I ran a top mount GT30R on the car with 350+ whp and it was never starved ..
5 of 5 Stars!

Pav says: I recently purchased a Softronic remap from VividRacing and I thought I’d share my experience with you. My Car – ’55 (MY06) 997 C2S, ~67K on the clock, no modifications - This is the remap. ..
5 of 5 Stars!

Dan G says: These springs are top quality. The handling and ride is excellent. They are not bouncy and rough riding like some cheap springs are. They also lower it the perfect amount to really give it an aggressi ..
5 of 5 Stars!

Bobby says: Vivid is a great company! Never disappointed with anything I order from them. Part shipped quickly and fit better than expected. Agency power makes a very nice product. ..
5 of 5 Stars!

jack says: Got it a year ago and is one of the best hoods ever. I highly recommend it. ..
5 of 5 Stars!


Cosworth Big Valve Cylinder Head Mazda Miata MZR 2.0L 2.3L 06-12
  • Cosworth Big Valve Cylinder Head Mazda Miata MZR 2.0L 2.3L 06-12
Upload a Photo Click to Zoom
  Product Information
 Price: $3,599.00 
  Model: 20000704
  Reviews:   
Quantity:
Product Information
Add to Wishlist
Cosworth Big Valve Cylinder Head Mazda Miata MZR 2.0L 2.3L 06+

Cosworth CNC ported cylinder heads feature dyno tested and flow bench proven ports, engineered for maximum usable power. Each new cylinder head is ported on a 5 axis machine to ensure consistency and perfect port shape every time. Additionally, larger intake (+1mm) and exhaust valves (+1mm) are utilized to help increase flow. Cosworth CNC ported Big Valve cylinder heads come complete with a performance valve job, hi rev (max 10,500rpm) valve springs with titanium retainers and are ready to install. Perfect for high performance applications.

Includes
  • CNC Ported - New Castings

  • Hand blended finish work

  • Intake ’ 14.63% (average) 22% (max) increased flow

  • Exhaust ’ 30.56%(average) 41% (max) increased flow

  • 4-angle Inlet Valve job

  • 3-angle & radius Exhaust Valve job

  • Valves are lapped

  • Back-Cut Inlet Valves

  • Heads are Ultra Sonic cleaned prior to assembly

  • Heads are Serialized and sport a machined Cosworth logo

  • +1mm Stainless Steel Intake Valves (1800 degrees max.)

  • +1mm Inconel Exhaust Valves (2400 degrees max.)

  • Performance Valve Springs

  • Titanium Retainers

  • Hardened Steel Spring Platforms


  • Picture is for representation only. Actual product may vary.
    Select Available Options Then Click
    About Manufacturer: Cosworth
    Over the last 50 years Cosworth have developed an in-depth knowledge of engines, electronics and a range of high performance technologies. This has been used to supply some of the most successful motor sport teams and vehicle manufacturers in history.

    Our unprecedented success has fueled customer demand globally from diverse market sectors designing and developing technologies and components for aerospace, automotive, defense and sport applications.


    View one of these Hot Items!
    Vivid Racing Official Pit Crew Button Up Shirts
    Vivid Racing Official Pit Crew Button Up Shirts
    Vivid Racing Logo Iron On Racing Patch
    Vivid Racing Logo Iron On Racing Patch
    Vivid Racing - Oops I Stanced My Pants - Mens TShirt X-Large
    Vivid Racing - Oops I Stanced My Pants - Mens TShirt X-Large
    Vivid Racing - Friends Dont Let Friends Waste Tires - Mens TShirt Medium
    Vivid Racing - Friends Dont Let Friends Waste Tires - Mens TShirt Medium
    Vivid Racing - I Dont Care About Your Forum Post - Mens TShirt Large
    Vivid Racing - I Dont Care About Your Forum Post - Mens TShirt Large


    International Sites
    Spain
    Mexico
    Brazil
    France
    Canada
    Taiwan
    China
    International Sites
    United Kingdom
    England
    Australia
    New Zealand
    France
    Germany
    Italy
    Vivid Racing Mini Sites
    4x4 Offroad Parts
    Body Aero Kits
    Clutch Upgrades
    BMW Parts
    Brake Upgrades
    HRE Wheels
    Brembo Brakes

    Vivid Racing Mini Sites
    Eisenmann Exhausts
    Ferrari Parts
    Kreissieg Exhaust
    Mercedes Parts
    Mini Cooper Mods
    StopTech Brakes
    Status Racing
    Vivid Racing Mini Sites
    Porsche 911 Parts
    Mitsubishi EVO Parts
    Nissan GTR Parts
    Volk Racing Wheels
    Porsche ECU Tuning
    Seibon Carbon Parts
    HKS USA Parts

    Agency Power
    M3 Parts
    Tein Coilovers
    Audi A4 Parts
    aFe Air Intakes
    Armed In Heels
    AZ Dirt Riders

    Power Slot Rotors
    Brembo Sport Rotors
    Steel Braided Brake Lines
    Hawk Pads
    Pagid Brake Pads
    Alcon Big Brakes
    Drilled Rotors
    StopTech Brakes
    Ferodo Pads
    Wilwood Brake Upgrade
    Brembo Brake Kit
    KSport 6 Piston
    Slotted Rotors

    Capristo Exhaust
    Quicksilver
    Agency Exhaust
    HKS Exhaust
    Greddy Catback
    Borla Exhaust
    Billy Boat Exhaust Turbo
    Eisenmann Exhaust
    American Racing
    FRS Header
    BMW M5 Header
    Remus Exhaust
    Fabspeed Muffler
    Exhaust Tips

    Novitec
    Akrapovic
    Cargraphic
    Carlsson
    GruppeM
    Kleemann
    Larini Exhaust
    Lorinser
    Mansory
    Oakley Design
    Password JDM
    VF Engineering
    Wald Body Kits

    Walbro Fuel Pump
    Performance Box
    Kelford Cams
    Koni Shocks
    Cosworth Pistons
    Fabspeed Tips
    Clutch Masters Stage 3
    H&R Springs
    TechArt Style
    Grillcraft MX Series
    aFe Stage 2
    Porsche ECU Flash
    Bilstein PSS10
    AMS Turbo Kit

    HRE Monoblok
    HRE S1 Wheels
    ADV1 Wheels
    Volk TE37sl
    Volk Racing
    Work Brombacher
    Weds Kranze
    Enkei Racing
    Advan Wheels
    HRE Vintage
    BBS Wheels
    D2 Forged
    Niche Wheels

    Racing Suspension Parts
    Performance Coilovers
    Suspension Bushings
    Performance Air
       Suspension

    Suspension Lift Kits
    Suspension Sway Bars
    Performance Strut Bars
    Suspension Shocks
    Performance Suspension
       Springs

    Suspension Mounts
    Air Intake
    Performance Intake
    BMW 3 Series Exhaust

    Current Parse Time: 2.250 s with 1748 queries