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  1. Cosworth High Performance Short Block Assemblies for Subaru Impreza WRX STI 2004-2008
    $8,983.00
    Cosworth High Performance engine assemblies the perfect basis your high performance application. Each version gone through countless hours of engineering evaluation to determine best combination of parts build specification; ensuring maximum reliable performance. Each Cosworth High Performance enginembly starts with new select components as foundation of performance build. Every block is thoroughly inspected before cylinders honed to perfection. We then balance rotating assembly that includes either a factory forged crankshaft or Cosworth Billet crank along with Cosworth Forged connecting rods; Cosworth Tri-Metal bearings Cosworth Forged Pistons. motorsport grade parts then professionally assembled by expert engine builders in Cosworth enginembly facility. Each High Performance enginembly includes a complete specification sheet listing critical dimensions along with a serialized plaque. maximum performance; combine with a Cosworth ported Valve Cylinder Head camshaft set.
    Subaru EJ25 High Performance Short Block 2.5L
    The Cosworth EJ25 is an excellent starting point high performance track applications.
    New Subaru EJ25 EJ257 Block
    New Subaru EJ25 Forged Crankshaft or Cosworth Billet Crank (79mm)
    Cosworth Forged H-beam connecting rods
    Cosworth Forged Pistons (99.5mm) rings
    Cosworth Tri-metal bearings
    Balanced to within .5 gram
    Complete blue-print assembly
    Ring set
    Bearing clearance checked
    Deck height checked
    Connecting side clearance checked
    Crankshaft float checked
    Mitsubishi 4G63 (Evolution VII-IX) High Performance Short Block 2.0L
    The Cosworth 2.0L 4G63 is an excellent starting point high performance track applications.
    New Mitsubishi 4G63 Evolution Block
    New Mitsubishi forged crankshaft (88mm)
    Cosworth Forged H-beam connecting rods
    Cosworth Forged Pistons (85mm) rings
    Cosworth Tri-metal bearings
    Cosworth Heavy Duty main studs
    Piston squirt jets
    Balanced to within .5 gram
    Complete blue-print assembly
    Ring set
    Bearing clearance checked
    Deck height checked
    Connecting side clearance checked
    Crankshaft float checked
    Mitsubishi 4G63 (Evolution VII-IX) High Performance Short Block 2.2L
    The Cosworth 4G63 2.2L stroker engine combines perfect bore to stroke ratio; yielding potentially gains in torque while still allowing engine to rotate produce power at higher rpms.
    New Mitsubishi 4G63 Evolution Block
    New Cosworth Billet Crank (94mm)
    Cosworth Forged H-beam connecting rods
    Cosworth Forged Pistons (86mm) rings
    Cosworth Tri-metal bearings
    Cosworth Heavy Duty main studs
    Piston squirt jets
    Balanced to within .5 gram
    Complete blue-print assembly
    Ring g Learn More
  2. Invidia N1 Exhaust HS08SW4GST Subaru Impreza WRX 2008-2012
    $728.00
    For a good balance of price and performance; Invidia offers the motorsport enthusiasts a strong line-up of Invidia N1 Exhausts. Each Invidia Exhaust is constructed with high quality SUS304 Stainless Steel; CNC-machined flanges; and manufactured with a polished finish. Each system features mandrel-bent stainless steel Piping for maximum exhaust flow and reduced back pressure. These exhausts are engineered to produce strong mid to top-end power gains; as well as an increase in horsepower and torque. Racing Exhaust
    Single Titanium TIP
    Engine :-
    Aspiration :- T
    Vehicle Engine Options :- EJ255;EJ257
    Vehicle Interior Options :- ALL Aspiration: T
    Vehicle Exterior Options :- Fuel: ALL-ALL
    Cylinder Type :-
    Vehicle Options :- Piping 76mm - TIP 101mm Ti Learn More
  3. Cosworth High Flow Air Intake System for Subaru Impreza WRX STI 2008-2010
    $332.00
    Cosworths High Flow Intake Systems feature increased diameter; large smooth radius bent aluminum inlet tubes superior flow management coupled with a high flow filter maximum flow performance.
    Each includes an integrated heat shield designed to isolate air intake from engine heat delivering cold into engine superior power conversion. filter element is large; conical in shape engineered to dramatically reduce intake restriction resulting in additional power torque.
    Specs:
    Increase in performance by typically up to 15%
    Conical Cosworth blue filter with Cosworth embossed composite cap
    Lightweight aluminum mandrel shaped inlet tube maximum airflow
    Integrated heat shield cold isolation
    Hardware included easy; perfect fit
    Reusable filter
    Manufactured in USA Learn More
  4. Cosworth Forged Pistons for Subaru Impreza WRX STI Limited 2004-2008
    $824.00
    The piston is of most important components within engine. It be subjected to directional change up to times every second must withstand acceleration forces of 8500gs. Cosworth high performance forged pistons designed engineered to withstand this type of punishment still perform. Cosworth's pistons manufactured using same methods as Formula pistons include features such anti scuff skirt coating; ultra-strong pins; polished and patented antidetonation bands. Additionally; each application uses a unique forging to minimize weight ensure strongest possible piston design.
    Key Features
    Unique forgings each application
    Xylan anti scuff skirt coating
    Polished tops (reduces carbon build up relieves stress)
    Manufactured from proprietary alloy (CosAl 010)
    Ultra strong pin
    Patented anti-detonation bands Learn More
  5. Cosworth Forged Pistons for Subaru Impreza WRX STI 2004-2008
    $824.00
    The piston is of most important components within engine. It be subjected to directional change up to times every second must withstand acceleration forces of 8500gs. Cosworth high performance forged pistons designed engineered to withstand this type of punishment still perform. Cosworth's pistons manufactured using same methods as Formula pistons include features such anti scuff skirt coating; ultra-strong pins; polished and patented antidetonation bands. Additionally; each application uses a unique forging to minimize weight ensure strongest possible piston design.
    Key Features
    Unique forgings each application
    Xylan anti scuff skirt coating
    Polished tops (reduces carbon build up relieves stress)
    Manufactured from proprietary alloy (CosAl 010)
    Ultra strong pin
    Patented anti-detonation bands Learn More
  6. Cosworth Big Valve Cylinder Heads for Subaru Impreza WRX STI Limited 2007-2007
    $5,765.00
    For over 40 years; Cosworth's been leader in innovative multi valve cylinder head design both racing high performance production cars. Cosworth Ported Valve Cylinder head range is latest advancement. Modified from OE cylinder head castings; substantial flow improvements upgraded valve train components offer superior performance your high performance engine.
    Each original cylinder head design is carefully evaluated tested to establish improvements required to meet target performance level. Hours of testing flow bench validation used to determine best advanced port design yielding maximum usable power response. However; there is more to cylinder head design than just maximum flow. It is critical that port velocits maintained to ensure drivability valve train components matched to guarantee reliable performance. Once of these factors have been tested validated; final port contour is digitized. Using digitized program; we then reshape both intake exhaust ports using axis mill producing an accurate consistent port shape every time. In addition to reshaping enlarging intake exhaust ports; most Valve Cylinder heads feature a re-shaped combustion chamber to un-shroud valves increasing flow performance. After machining; each cylinder head receives a multiangle high performance valve on precision valve seat cutter. Then each cylinder head is ultrasonically; cleaned; serialized then hand assembled with select high performance valve train components; ready to install on your engine.
    Key Features
    All OE Castings
    Enlarged Intake Exhaust ports
    Large diameter stainless steel intake valves
    Large diameter Inconel exhaust valves
    Hi Rev; Dual valve springs
    Titanium Retainers
    Hardened Steel spring platforms
    Reshaped combustion chamber on most applications
    Flow bench proven design
    Dyno tested
    Machined Cosworth Logo
    Precision Multi angle valve job
    Pre-assembled; ready to install
    Machined port bore finish
    Knife edge port divider Learn More
  7. Gates Water Pump- Subaru Impreza WRX YR 2002-2004
    $87.45
    Gates Water Pump (Standard)
    Water Pump (Standard)
    Timing Belt Driven
    Engine :-
    Aspiration :- T
    Vehicle Engine Options :- EJ205
    Vehicle Interior Options :- H4 Aspiration: T
    Vehicle Exterior Options :- Fuel: FI-GAS
    Cylinder Type :-
    Vehicle Options :-


    Learn More
  8. K&N 57i Performance Induction Kit SUBARU IMPREZA WRX 2.0L 16V TURBO
    $238.99
    • Designed to Increase HP and Acceleration
    • Engineered to Specific Vehicle Design
    • Easy to Install. Usually in 90 minutes or less!
    • Lasts up to 100.000 Miles Before Service is Required (depending on driving conditions) 
    • Million Mile Limited Warranty
    • Replaces OEM Filter and Air Box
    • Air Filter is Washable and Reusable
    • Works with Original Equipment Manufacturer Computer Systems
    • Street legal in most states (not street legal in CA – Check part number or vehicle listing for specific CARB status)

    HORSEPOWER YOU CAN FEEL
    As with all our kits. when you bolt-on a 57i intake. you will notice the difference the next time you drive your vehicle. Our 57i Gen I Intake Kits are a great way and in many cases the only way to maximize airflow and engine performance. They will replace the factory air box providing both High-Flow air filter technology and a larger air filter size. This winning combination will increase horsepower and sound great too.

     57i Series Air Intakes Are Street Legal in Most States

    BREAK OUT OF THE FACTORY AIR BOX
    57i Series Intake Kits are specifically designed for each different vehicle and will free your car from the size restriction that comes with the factory air box. These economical kits can take a variety of different forms based on vehicle characteristics and available space under the hood. Each kit is designed to provide power throughout the RPM range. Gen I’s take advantage of the added airflow provided by an oversized air filter released from the restrictive factory air box..

    TECH TALK
    These kits bring engine airflow out of the factory box by providing a large size open-air conical or round High-Flow Air Filter. The extra surface area of these open-air air filters provide even more airflow at lower restriction than a K&N O/E replacement filter which is always limited to the size of the factory air box. The larger air filter also captures and holds more dirt increasing its service life before a cleaning is required (up to 100.000 miles). The filter is then either directly attached to the engine carburetor or throttle body or indirectly through a tube assembly running from the filter to the engine. All adaptors are made from high quality materials such as steel. aluminum. silicon or reinforced nylon and ensure long life.

    57i Intakes are not legal for use in California and other US States adopting California emission standards.


    57i Intake Kit
    Engine :-
    Aspiration :- T
    Vehicle Engine Options :- EJ205.EJ255
    Vehicle Interior Options :- H4 Aspiration: T
    Vehicle Exterior Options :- Fuel: FI-GAS
    Cylinder Type :-
    Vehicle Options :- Learn More
  9.  JRZ 14 31  Quadruple Adjustable Motorsport Damper : Subaru WRX-Sti N14
    $14,390.00
    JRZ Suspension Engineering is proud to offer our newest quadruple adjustable racing damper. the JRZ 14 31.  Building upon the years of success of our original quadruple adjustable. the 14 31 takes our damping philosophy to the next level.  Every adjustment has an increased damping force range with finer adjustments engineered to enable the chassis tuner to make significant. predictable changes every time. Compression and rebound adjustments are separated into the high speed and low speed piston velocity ranges affecting the bleed and blow off points of the damping curve. All oil flow paths in the JRZ 14 31 have been redesigned to maximize efficiency and give crisp feel to the driver.  Rebound valving has been completely redesigned to eliminate influence over compression forces and smooth pressure development. At the heart of the new JRZ 12 31 package is our latest motorsport piston. designed to give increased control over base characteristics. reduce hysteresis. and operate smoother.  To ensure that the valving designed into the JRZ 12 31 are the determining forces. JRZ has included new low friction coatings. seals and bearings with this package. Custom applications are available.  An easy to use system. the JRZ 14 31 enables the chassis tuner to achieve the desired mass control and handling with precision. Digressive high speed blow off adjustment allows for highly tuneable mass control while maintaining smooth response and without losing traction. The low speed bleed adjustment is a powerful tool that enables the chassis tuner to maximize grip and optimize vehicle balance.

    Features:
    • Rebound adjustment independent from compression
    • Extra large adjustment range
      • 12 clicks low speed compression
      • 21 clicks high speed compression
      • 8 clicks low speed rebound
      • 15 clicks high
    The result is a damper that provides ultimate chassis and ride height control with maximum mechanical traction. The JRZ standard 22 mm piston rod works in concert with the high speed valving to maximize blow off valve response. achieving solid chassis control without using a high spring rate. JRZ 14 31 dampers are shipped with 360 degree swivel hoses and are available with zero-inclusion quick disconnects for mounting canisters within the chassis for ease of adjustment accessibility.  Even with a large range. each adjustment is designed to be a small. even step giving precision and confidence when making changes.  Our newest motorsport piston has been developed to deliver a smooth and responsive damping characteristic.  To customize track to track setups and tailor the chassis to the driver; the JRZ 14 31 has an adjustment range able to provide damping to spring configurations ranging from 1.5-6Hz on vehicles with moderate to large aerodynamics loads.  The JRZ 14 31 is here to take you to the next level. Dedicated racing cars with experienced drivers deserving of the professional technology JRZ delivers. With valving designed and innovated by JRZ Suspension Engineering. the JRZ 14 31 is shipped as a custom configuration always tailored to the customer’s needs. and always comes with our world renowned personal service.

    Benefits
    • Precise control of the chassis and unsprung masses
    • Easy to change damping curves
    • Large adjustment range. with fine tuning ability
    Learn More
  10. Mishimoto Air Diversion Plate for Subaru Impreza WRX 2002-2005
    $120.00
    Mishimoto's developed a new line of Air Diversion Plates to enhance your engines cooling capacity. Mishimoto air diversion plates expert design is not only intended to enhance the aesthetic appeal of your engine; but will incomparably reduce your radiators coolant temperature. Improving the cooling capacity of your engine will promote superior combustion efficiency and the overall performance of your engine. All Mishimotos air diversion plates are constructed of 5052 aluminum and are available in several finishes. Choose from a natural brushed matte or an anodized glossy black or blue to enhance the look and style of your engine bay. Learn More

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