1.866-448.4843 OR 1.480.966.3040
0 Items | $0.00 | Checkout | My Account
Vivid Racing Home Page
Click Here to Search
CLEARANCE DEALSAir IntakesBig Brake KitsBrake PartsBody | Aero KitsECU TuningElectronicsEngine InternalsEngine UpgradesBeltsCylinder HeadsDrain PlugsEngine StylingGaskets & SealsIgnitionMiscellaneousMotorsMounts | BushingsNitrousOil PartsThrottle BodyTiming KitsWater/Alcohol InjectionExhaust PartsExteriorFuel ComponentsGaugesInteriorOEM Repair PartsPower PackagesPulleysRacing GearRadiator PartsRoll Bars | CagesSuspensionTransmissionTurbo | SuperchargerWheels and TiresUniversal & RepairVivid Racing GearProduct Request Form
Manufactures
Finance Your Parts 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
Brandon Blanco says: Very nice intercooler, high quality welds and shipping was speedy. Customer service through vivid was very good with clear details of the product and price. Much larger than stock and a def would reco ..
5 of 5 Stars!

Craig Nugent says: I was one of the first guys to have this in a car. I purchased it the day they came out, so I guess it's been a year or two that I have had it. For what I do, is PERFECT! I track my 997 as much as I c ..
5 of 5 Stars!

Tim Golden says: Well it was quite a journey getting my Invidia. I originally ordered a Skunk2 catback, however, the wrong one arrived. This was more of an issue with the website not being very clear that the Skunk ri ..
5 of 5 Stars!

eduardo says: I purchased Cobb Accessport and it made a huge difference in performance. Also helped with a CEL I had from an aftermarket down pipe. I have made all my purchases from vivid racing and will continue t ..
5 of 5 Stars!

Aaron Alcaraz says: Great quality, great service from the Vivid racing sales, and quick response. ..
5 of 5 Stars!


Cosworth Big Valve Cylinder Head with Camshafts Subaru WRX STI EJ25 2.5L 07
Upload a Photo Click to Zoom
  Product Information
Price: $6,068.00   Sale: $5,673.58
  Model: 20002026
  Reviews:   
Quantity:
Product Information
Add to Wishlist
Cosworth Big Valve Cylinder Head with Camshafts Subaru WRX STI EJ25 2.5L 07

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. These heads include Cosworth;s S2 version camshafts (KK3920- Japan/European) with the correct cam followers included. This is the perfect head/camshaft combination for serious performance and track day use.

- CNC Ported/Machined finish port
- 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
- In stock- ready to ship
- Knife edged ports
- Includes S2 Camshafts and cam followers installed
Select Available Options Then Click
Click to Chat!
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!
Cosworth CS600X Long Block Assembly Subaru WRX STI EJ25 Euro spec 04-06
Cosworth CS600X Long Block Assembly Subaru WRX STI EJ25 Euro spec 04-06
Brian Crower Stroker Kit Pro Series Rods Honda Acura K20
Brian Crower Stroker Kit Pro Series Rods Honda Acura K20
Brian Crower Stroker Kit Econo Rods Nissan SR20DE
Brian Crower Stroker Kit Econo Rods Nissan SR20DE
Brian Crower Stroker Kit Balanced Nissan Infiniti VQ35DE
Brian Crower Stroker Kit Balanced Nissan Infiniti VQ35DE
Cosworth CS600X Long Block Assembly 81mm Stroke Subaru WRX STI EJ25 US & Euro spec 07
Cosworth CS600X Long Block Assembly 81mm Stroke Subaru WRX STI EJ25 US & Euro spec 07
Cosworth High Performance Short Block Assembly Lo comp 8.8:1 Nissan 350Z 3.5L VQ35 03-08
Cosworth High Performance Short Block Assembly Lo comp 8.8:1 Nissan 350Z 3.5L VQ35 03-08
Cosworth High Performance Short Block Assembly Hi comp 11:1 Nissan 350Z 3.5L VQ35 03-08
Cosworth High Performance Short Block Assembly Hi comp 11:1 Nissan 350Z 3.5L VQ35 03-08
Cosworth Stroker Kit with 79mm Forged Crankshaft Subaru WRX 2.2L EJ20 02-05
Cosworth Stroker Kit with 79mm Forged Crankshaft Subaru WRX 2.2L EJ20 02-05
Cosworth Stroker Kit with 94mm Billet Crankshaft Mitsubishi EVO 2.2L 4G63 01-07
Cosworth Stroker Kit with 94mm Billet Crankshaft Mitsubishi EVO 2.2L 4G63 01-07
Tomei Long Block Mitsubishi EVO VIII 4G63 03-05
Tomei Long Block Mitsubishi EVO VIII 4G63 03-05


International Sites
Spain
Mexico
Brazil
France
Canada
Taiwan
China
HPF UK
International Sites
United Kingdom
Japan
Australia
New Zealand
Russia
Germany
Italy
HPF Canada
Vivid Racing Mini Sites
Arai GP Helmets
Body Aero Kits
Clutch Upgrades
BMW Parts
Brake Upgrades
HRE Wheels
Brembo Brakes
HPF Australia
Vivid Racing Mini Sites
Eisenmann Exhausts
Ferrari Parts
Kreissieg Exhaust
Mercedes Parts
Mini Cooper Mods
StopTech Brakes
Status Racing
Speedway Helmets
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
HorsepowerFreaks
HPF Store
ECU Tuning

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
Porsche 997 Exhaust
Agency Exhaust
HKS Exhaust
Greddy Catback
Borla Exhaust
BMW M3 Exhaust
Eisenmann Exhaust
Porsche 996 Exhaust
FRS Header
BMW M5 Header
Remus Exhaust
Fabspeed Muffler
BMW M5 Exhaust

Capristo
Akrapovic
Cargraphic
Nissan 350Z Exhaust
GruppeM
Nissan 370Z Exhaust
Subaru WRX STI Exhaust
Ferrari 360 Exhaust
Mansory
Oakley Design
Password JDM
VF Engineering
Wald Body Kits
BMW M6 Exhaust

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: 2.206 s with 234 queries