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  1. Cosworth High Performance Camshafts for Subaru Impreza WRX STI 2004-2008
    $1,152.00
    Cosworth's been engineering camshafts nearly 50 years. That coupled with years of innovative multi valve cylinder head design ensures camshaft designs the most efficient in providing maximum usable power across widest power band. Each is ground from a billet finished using same procedures we in extreme level race engines. Cosworth camshafts the perfect compliment to CNC Ported Valve Cylinder heads. cams profiled to increase boost response thereby increasing engine torque power are fully compatible with CNC Ported Valve Cylinder Heads.
    Key Features
    Ground from billets
    Engineered tested profiles
    Broad power band
    Compatible with Cosworth ported Valve Cylinder Heads Learn More
  2. Cosworth Big Valve Cylinder Heads for Subaru Impreza WRX STI 2008-2008
    $4,240.00
    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
  3. 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
  4. 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
  5. Cosworth High Performance Head Gaskets for Subaru Impreza WRX STI Limited 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
  6. 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
  7. 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
  8. Mishimoto Performance Radiators for Subaru Forester Sports 2.5 XT 2008-2008
    $360.00
    Mishimoto Performance Radiators
    Whether you are a daily driver looking for an upgrade to your OEM radiator; or a racer looking for a dependable quality radiator; we have just what you are looking for! Mishimoto Performance Radiators are 100% brazed aluminum; ensuring a lasting lifetime of efficient cooling.
    Mishimoto guarantees superior performance and quality with an unmatched lifetime warranty on all parts. Learn More
  9. JE Pistons - Subaru Forester 2.5 XT YR: 2005-2010 [PN# 291064] SUB EJ257 STRKR KIT
    $1,088.44
    Complete Set of Pistons
    Bore : 100mm
    C/D : 28.7mm
    Comp Ratio : 8.5:1
    Dome CC : -21.5
    Gram Weight : 404
    Head CC : 57.0
    Oversized : 0.50
    Rod : 130.5mm
    Skirt Type : Full Round
    Stroke : 83mm

    JE Time Attack FSR Pistons
    For Turbo and Nitrous Aps
    Set of 4 Pistons
    Included RingSet: JC4404-3938
    Engine :-
    Aspiration :- T
    Vehicle Engine Options :- EJ255
    Vehicle Interior Options :- H4 Aspiration: T
    Vehicle Exterior Options :- Fuel: FI-GAS
    Cylinder Type :-
    Vehicle Options :- Bore100mm - C/D28.7mm - Comp Ratio8.5:1 - Dome CC-
    JE Pistons are specifically engineered for extreme applications up to. and including. professional competition. In this environment. higher compression ratios. extreme boost levels and heavy nitrous usage necessitate the higher tensile strength 2618 aluminum alloy found in every JE Piston.
    *Application Specific Forgings for an Optimized. Uniform Crown Thickness
    *Contact Reduction Groove to Minimize Frictional Drag
    *Accumulator Groove for Increased Top Ring Stability and Sealing
    *CNC-Machined Side Relief with Lower Support Band for Additional Skirt Strength
    *Honed Pin Bores. Double Pressure Fed Pin Oilers and Wire Locks Included
    *JE ProSeal Piston Rings are included with your JE Pistons
    JE Pistons are sold as matched sets.
    *Custom Applications are also Available Learn More
  10. Cosworth Sport Brake Kit for Subaru Impreza WRX 2008-2009
    $2,031.00
    Cosworth Sport brake kits feature fully forged calipers optimal strength light weight. bolt in bridge design allows a super stiff caliper without sacrificing cooling. end result is better performance with less vibration; noise; pad taper.
    Cosworth 2-piece rotors designed 10-30% better airflow than directional vaned racing rotors. They were produced with a proprietary cast iron formula; which specified with durability in mind. hats brackets made with a special type of billet aerospace aluminum are machined in USA to standards.
    All parts bench tested prior to shipment. Each caliper is 100% pressure tested to 2;500 PSI. Every brake line is 100% pressure tested to 4;500 PSI. Every assembled two-piece rotor is tested runout. Each is optimized specific vehicle application.
    Specs:
    Bolt-in bridge minimizes caliper compliance
    2-piece rotor design allows 10-30% better airflow greatly improving performance
    DOT Legal Stainless brake lines with clear abrasion-resistance cover
    Piston sizes optimized each vehicle application to maintain bias
    DifferenTiAL'ston sizes minimize taper longer life a firmer pedal
    Dust boots standard reduced maintenance
    All finished parts 100% leak down pressure tested Learn More

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