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  1. Cosworth Forged Pistons for Subaru Impreza WRX STI 2004-2008
    $215.00
    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
  2. Cosworth Stroker Kits for Subaru Impreza WRX 2002-2005
    $5,899.00
    Cosworth stroker kits the perfect to displacement; torque power to your engine. Each includes select matched components from parts list ensuring reliable performance.
    Mitsubishi 4B11 (Evolution X) 2.2L
    Cosworth Forged Pistons (86mm)
    Cosworth Fully Counterweighted Billet Crankshaft (94mm)
    Cosworth Forged Connecting Rods
    Cosworth'ston Rings
    Mitsubishi 4G63 (Evolution VII-IX) 2.2L
    Cosworth Forged Pistons (86mm)
    Cosworth Fully Counterweighted Billet Crankshaft
    (94mm)
    Forged Cosworth Connecting Rods
    Cosworth and Main Bearings
    Cosworth'ston Rings
    Subaru EJ25 2.6L
    Cosworth Forged Pistons (99.5mm)
    Cosworth Fully Counterweighted Billet Crankshaft
    (81mm)
    Forged Cosworth Connecting Rods
    Cosworth and Main Bearings
    Cosworth'ston Rings Learn More
  3. Cosworth High Performance Head Gaskets for Subaru Impreza WRX STI 2004-2008
    $110.00
    Cosworth High Performance Head Gaskets engineered to seal in power under most demanding condits. Constructed from stainless steel with a folded stopper layer; each application features superior sealing compared to conventional multi layer steel gaskets. Additionally; Cosworth High Performance Head Gaskets manufactured from pre-coated cut stainless steel resulting in uniform coating distribution consistent shape.
    Key Features
    Individual cut layers of stainless steel with superior consistency compared to laser gaskets
    Pre-coated stainless steel with a 0.25 micron layer of nitrile rubber ensures consistent distribution of coating with no high or areas
    Manufacturing dimensional tolerance of 0.001
    Die manufacturing process ensures smooth edges; unlike laser gaskets
    Cosworth's gaskets feature a folded stopper layer additional torque around each cylinder. width of sealing area is specific each application thereby providing ultimate sealing properties
    Available in a range of thicknesses specific applications Learn More
  4. Cosworth Big Valve Cylinder Heads for Subaru Impreza WRX STI 2004-2006
    $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
  5. SEIBON Carbon Fiber Rear Lip Subaru Impreza WRX STI YR: 2008-2010
    $560.00
    Flat Rate Shipping: $155 - Please select at checkout.
    SEIBON Carbon Fiber Rear Lips are designed to replace your factory lip (if equipped) or be added to your stock rear bumper for a subtle and stylish look. In addition. many rear lips add additional air ducting and down force to your vehicle for added performance.
    All SEIBON Carbon Fiber Products are:

    Hand Laid
    Wet Carbon Fiber
    Clear Gel Coated from the Factory
    Inspected Before Shipping Carbon Fiber Rear Lip
    OEM Style
    Engine :-
    Aspiration :- T
    Vehicle Engine Options :- EJ257
    Vehicle Interior Options :- H4 Aspiration: T
    Vehicle Exterior Options :- Fuel: FI-GAS
    Cylinder Type :-
    Vehicle Options :-
    Carbon Fiber Rear Lip
    OEM Style
    Engine :-
    Aspiration :- T
    Vehicle Engine Options :- EJ257
    Vehicle Interior Options :- H4 Aspiration: T
    Vehicle Exterior Options :- Fuel: FI-GAS
    Cylinder Type :-
    Vehicle Options :- Learn More
  6. Mishimoto Radiator Hose Kit for Subaru Impreza WRX 2001-2007
    $160.00
    Mishimoto Radiator Hose Kit
    Mishimoto Radiator Hose Kits are made with a dual layer combining high grade silicone and Dupont Nomex technology to provide efficient heat reduction and increased pressure tolerance.
    Mishimoto Radiator Hose Kits are a direct replacement for your OEM hoses and install in minutes without headache.
    Specifications

    Interior Color: Orange
    Interior Material: Nomex
    Exterior Color: Black/Blue/Orange/Red
    Exterior Material: Silicone
    Max Temperature: 330 F Learn More
  7. Brian Crower Camshafts - STAGE 3 (Subaru EJ205 - WRX) SET/4
    $687.73
    Brian Crower high performance camshafts are ground on state-of-the-art CNC cam grinders to insure accuracy and tolerances to within .02mm. Every Brian Crower camshaft profile has been prototyped and dyno tested for proven horsepower results prior to placed into mass production. By grinding cores in high volume; Brian Crower; Inc. is able to pass the cost savings on to the end user. Quality at an affordable price.
    Brian Crower uses small diameter grinding wheels during the finishing phase when applicable to generate a more aggressive ramp rate for a faster cylinder fill rate. More air + more fuel = more power. Although it takes longer to grind the cams; research and development has proven that the inverted radius created by the small grinding wheel on the opening side delivers more horsepower on radius and roller rocker applications than the conventional; large diameter grinding wheels.
    All Brian Crower cams are checked on a high speed; sub-micron accuracy measuring gauge. The Adcole Camshaft Measuring System uses individual measuring heads for each cam journal and cam lobe; with .01 micron resolution; taking one datum point each 1/10th of a degree or 3;600 data points per revolution. Measuring camshafts for rise error and chattermark detection; this model can measure 200 parts per hour. Learn More
  8. Mishimoto Radiator Hose Kit for Subaru Impreza WRX STI 2004-2007
    $230.00
    Mishimoto Radiator Hose Kit
    Mishimoto Radiator Hose Kits are made with a dual layer combining high grade silicone and Dupont Nomex technology to provide efficient heat reduction and increased pressure tolerance.
    Mishimoto Radiator Hose Kits are a direct replacement for your OEM hoses and install in minutes without headache.
    Specifications

    Interior Color: Orange
    Interior Material: Nomex
    Exterior Color: Black/Blue/Orange/Red
    Exterior Material: Silicone
    Max Temperature: 330 F Learn More
  9.  JRZ RS1 Single Adjustable Damper for Street and Track : Subaru WRX-Sti N14
    $4,220.00
    JRZ Suspension Engineering is proud to introduce the JRZ RS1. a revolutionary development in multipurpose high performance damping. Applying our race winning technology. JRZ designed the JRZ RS1 to give ultimate comfort for public roads and precise chassis control when driving on track.
     
    The JRZ RS1 is a high gas pressure. single adjustable monotube damper. The canister has been designed inside of the damper. JRZ inner canister technology gives the advantages of monotube canister dampers without the mounting concerns and complexity. Easy to install. the JRZ RS1 is available as a complete kit with mounting hardware and springs for all applications we support.Built on the same roduction line and sharing components with our pro racing applications. the JRZ RS1 is of true professional heritage. Following JRZ’s design philosophy. the JRZ RS1 has a large 22mm diameter piston rod in strut applications and a 16mm diameter piston rod in aluminium damper applications. The large piston rod magnifies the high pressure gas charge which means great chassis control without using a high spring rate or increasing harshness. 
    Features
    • 22 mm rod strut. 16 mm rod damper
    • 24 clicks of rebound
    • Adjustable gas pressure. mono tube
    • Piston designed for high performance
    • Large adjustment range
    Utilizing a mono tube design with a high flow piston ensures the smoothest possible ride in normal conditions while the bleed adjustment gives the ability to tune for racing situations. Unlike many other single adjustable suspensions. damping balance is carefully maintained between compression and rebound. This damping balance is critical to maintaining tire contact with the road in addition to controlling the main mass of the vehicle. To satisfy the diverse needs of each driver’s application. the JRZ RS1 has an extra large adjustment range. With a few clicks you can turn your smooth street car into a crisp. rock solid track car in seconds. JRZ has designed the JRZ RS1 to give the end user the best possible damper to drive daily. while maintaining the racetrack performance that wins championships. The JRZ RS1 is shipped as a bolt-on kit and always comes with the personal support JRZ is known for. Using the best materials. coatings and aerospace standard manufacturing processes as in our motorsport line; the JRZ RS1 is designed to perform flawlessly. Adjustment is easy to perform and comes with the knowledge base only JRZ provides to his customers.
     
    Benefits
    • Easy to use and bolt-in
    • Street ride. racing performance
    • Extra long product life
    • One adjustment for complete control of ride and handling
    • Professional racing quality
    Recommended applications
    • Daily driving
    • Drivers education (DE) events and track days
    • Club racing
    Learn More
  10. Invidia Downpipe HS05SW1DPC Subaru Impreza WRX 2002-2007
    $728.00
    For a strong boost in power; the Invidia Down Pipe offers an alternative to other power-boosting enhancements. To see just how much power the Invidia Downpipe can produce; a quick look at its dyno chart shows it easily added several horsepower to the stock exhaust system. Each Invidia Downpipe features a large 4 inch Stainless Steel bellmouth to enhance power by freeing excess gas. The Invidia Downpipe sports a one-piece design; eliminating the need for the stock catalytic converter. In addition; each Invidia Downpipe can be bolted up to any Invidia Exhaust or a stock exhaust for an easy installation. Downpipe
    Includes High Flow Cat
    Engine :-
    Aspiration :- T
    Vehicle Engine Options :- EJ205;EJ255;EJ257
    Vehicle Interior Options :- H4 Aspiration: T
    Vehicle Exterior Options :- Fuel: FI-GAS
    Cylinder Type :-
    Vehicle Options :- Piping 76mm Learn More

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