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  1. 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
  2. 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
  3. Cosworth Big Valve Cylinder Heads for Subaru Impreza WRX STI Limited 2007-2007
    $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
  4. Cosworth High Performance Long Block Assemblies for Subaru Baja Base 2004-2006
    $11,977.00
    The Cosworth Subaru EJ25 CS600 series is designed extreme track use the demanding performance enthusiast. Each assembly is precision built by of Cosworths skilled craftsmen using finest components from parts catalog to ensure maximum reliable power performance. Starting with a Subaru EJ257 semi closed deck block; we meticulously hone each bore to guarantee perfect piston to cylinder wall clearance. block is then assembled with Forged Pistons; motorsport grade Forged H Beam connecting rods along with high performance and main bearings a STI Forged crankshaft. maximum performance; an optional steel billet crank is available (CS600X). Once cylinder block assembly is completed; we install a pair of CNC machine port-bored Valve Cylinder heads with proven S2 camshafts complete with valve lash to specifications. cylinder heads secured with high performance 11mm steel studs sealed with a Cosworth high performance stopper layer steel head gasket. Finally; we install of blue-printed; high pressure pumps maximum lubrication. This proven engine combination been used by teams to events in both North Americaand Europe.
    Key Features
    New Subaru EJ25 engine
    New Subaru EJ25 Forged Crankshaft
    Optional Billet Cosworth Crankshaft (CS600X)
    Cosworth Forged H-beam Connecting Rods
    Cosworth Forged Pistons rings
    Cosworth motorsport Tri-metal bearings
    Balanced to within gram
    Complete blue-print assembly
    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.
    Multi angle valve job
    CNC Machined port finish
    Knife edge port divider
    Cosworth S2 High lift camshafts
    Valve lash set
    Cosworth high pressure pump
    Cam covers
    Cosworth serial number Learn More
  5. K&N Typhoon System Cold Air SUBARU IMPREZA WRX-STI H4-2.5L 08-10
    $317.99

    Built for performance and show. the Typhoon® Air Intake System is a free-flowing mandrel-bent aluminum tube induction system designed to fit many sport compact performance vehicles.  Each kit is proven on a rear-wheel dynamometer to increase horsepower and torque. Typhoon intakes come in one of three designs; cold air intakes (CA). short ram intakes (SR). or complete cold air (CCA) intakes which can be configured as either a cold air intake or a short ram intake.  They come with an oversized High-Flow conical air filter designed to provide increased surface area and dust capacity. This extra surface area provides even more airflow at lower restriction than a standard K&N O/E replacement filter that is limited to the size of the factory air box. The oversize air filter also captures more dirt increasing the service life before a cleaning is required (up to 100.000 miles).  Some Typhoon Air Intakes are not legal for use in California and other states adopting California emission standards while others are CARB exempt and 50 state legal.

     

    K&N Cool Air Intake Kit

    • Designed for increased performance for your sport compacts. utilizing the finest quality components
    • Guaranteed to Provide more horsepower and increased acceleration
    • Available in high-quality finishes
    • Includes K&N High-Flow. Washable/Reusable Air Filter
    • Some applications available in cold-air versions
    • Easy to Install
    • Million Mile Limited Warranty
    • Street legal in most states (some not street legal in CA - Check part number or vehicle listing for specific CARB status)

     


    Typhoon Cold Air Intake Kit
    Engine :-
    Aspiration :- T
    Vehicle Engine Options :- EJ257
    Vehicle Interior Options :- H4 Aspiration: T
    Vehicle Exterior Options :- Fuel: FI-GAS
    Cylinder Type :-
    Vehicle Options :- ColorWrinkle Red Learn More
  6. K&N Typhoon Cold Air Intake Kit [Subaru Impreza]
    $294.99

    Built for performance and show. the Typhoon® Air Intake System is a free-flowing mandrel-bent aluminum tube induction system designed to fit many sport compact performance vehicles.  Each kit is proven on a rear-wheel dynamometer to increase horsepower and torque. Typhoon intakes come in one of three designs; cold air intakes (CA). short ram intakes (SR). or complete cold air (CCA) intakes which can be configured as either a cold air intake or a short ram intake.  They come with an oversized High-Flow conical air filter designed to provide increased surface area and dust capacity. This extra surface area provides even more airflow at lower restriction than a standard K&N O/E replacement filter that is limited to the size of the factory air box. The oversize air filter also captures more dirt increasing the service life before a cleaning is required (up to 100.000 miles).  Some Typhoon Air Intakes are not legal for use in California and other states adopting California emission standards while others are CARB exempt and 50 state legal.

     

    K&N Cool Air Intake Kit

    • Designed for increased performance for your sport compacts. utilizing the finest quality components
    • Guaranteed to Provide more horsepower and increased acceleration
    • Available in high-quality finishes
    • Includes K&N High-Flow. Washable/Reusable Air Filter
    • Some applications available in cold-air versions
    • Easy to Install
    • Million Mile Limited Warranty
    • Street legal in most states (some not street legal in CA - Check part number or vehicle listing for specific CARB status)

     


    Typhoon Cold Air Intake Kit
    Engine :-
    Aspiration :- T
    Vehicle Engine Options :- EJ255
    Vehicle Interior Options :- H4 Aspiration: T
    Vehicle Exterior Options :- Fuel: FI-GAS
    Cylinder Type :-
    Vehicle Options :- Learn More
  7. K&N Typhoon Short Ram Intake Kit [Subaru Legacy]
    $277.99

    Built for performance and show. the Typhoon® Air Intake System is a free-flowing mandrel-bent aluminum tube induction system designed to fit many sport compact performance vehicles.  Each kit is proven on a rear-wheel dynamometer to increase horsepower and torque. Typhoon intakes come in one of three designs; cold air intakes (CA). short ram intakes (SR). or complete cold air (CCA) intakes which can be configured as either a cold air intake or a short ram intake.  They come with an oversized High-Flow conical air filter designed to provide increased surface area and dust capacity. This extra surface area provides even more airflow at lower restriction than a standard K&N O/E replacement filter that is limited to the size of the factory air box. The oversize air filter also captures more dirt increasing the service life before a cleaning is required (up to 100.000 miles).  Some Typhoon Air Intakes are not legal for use in California and other states adopting California emission standards while others are CARB exempt and 50 state legal.

     

    K&N Cool Air Intake Kit

    • Designed for increased performance for your sport compacts. utilizing the finest quality components
    • Guaranteed to Provide more horsepower and increased acceleration
    • Available in high-quality finishes
    • Includes K&N High-Flow. Washable/Reusable Air Filter
    • Some applications available in cold-air versions
    • Easy to Install
    • Million Mile Limited Warranty
    • Street legal in most states (some not street legal in CA - Check part number or vehicle listing for specific CARB status)

     


    Typhoon Short Ram Intake Kit
    Item Also Has International Applications
    Engine :-
    Aspiration :- T
    Vehicle Engine Options :- EJ255
    Vehicle Interior Options :- H4 Aspiration: T
    Vehicle Exterior Options :- Fuel: FI-GAS
    Cylinder Type :-
    Vehicle Options :- Learn More
  8. K&N Typhoon Short Ram Intake Kit [Subaru Forester]
    $308.99

    Built for performance and show. the Typhoon® Air Intake System is a free-flowing mandrel-bent aluminum tube induction system designed to fit many sport compact performance vehicles.  Each kit is proven on a rear-wheel dynamometer to increase horsepower and torque. Typhoon intakes come in one of three designs; cold air intakes (CA). short ram intakes (SR). or complete cold air (CCA) intakes which can be configured as either a cold air intake or a short ram intake.  They come with an oversized High-Flow conical air filter designed to provide increased surface area and dust capacity. This extra surface area provides even more airflow at lower restriction than a standard K&N O/E replacement filter that is limited to the size of the factory air box. The oversize air filter also captures more dirt increasing the service life before a cleaning is required (up to 100.000 miles).  Some Typhoon Air Intakes are not legal for use in California and other states adopting California emission standards while others are CARB exempt and 50 state legal.

     

    K&N Cool Air Intake Kit

    • Designed for increased performance for your sport compacts. utilizing the finest quality components
    • Guaranteed to Provide more horsepower and increased acceleration
    • Available in high-quality finishes
    • Includes K&N High-Flow. Washable/Reusable Air Filter
    • Some applications available in cold-air versions
    • Easy to Install
    • Million Mile Limited Warranty
    • Street legal in most states (some not street legal in CA - Check part number or vehicle listing for specific CARB status)

     


    Typhoon Short Ram Intake Kit
    Engine :-
    Aspiration :- T
    Vehicle Engine Options :- EJ255
    Vehicle Interior Options :- H4 Aspiration: T
    Vehicle Exterior Options :- Fuel: FI-GAS
    Cylinder Type :-
    Vehicle Options :- ColorSilver Learn More
  9. K&N Typhoon Short Ram Intake Kit [Subaru Impreza]
    $285.99

    Built for performance and show. the Typhoon® Air Intake System is a free-flowing mandrel-bent aluminum tube induction system designed to fit many sport compact performance vehicles.  Each kit is proven on a rear-wheel dynamometer to increase horsepower and torque. Typhoon intakes come in one of three designs; cold air intakes (CA). short ram intakes (SR). or complete cold air (CCA) intakes which can be configured as either a cold air intake or a short ram intake.  They come with an oversized High-Flow conical air filter designed to provide increased surface area and dust capacity. This extra surface area provides even more airflow at lower restriction than a standard K&N O/E replacement filter that is limited to the size of the factory air box. The oversize air filter also captures more dirt increasing the service life before a cleaning is required (up to 100.000 miles).  Some Typhoon Air Intakes are not legal for use in California and other states adopting California emission standards while others are CARB exempt and 50 state legal.

     

    K&N Cool Air Intake Kit

    • Designed for increased performance for your sport compacts. utilizing the finest quality components
    • Guaranteed to Provide more horsepower and increased acceleration
    • Available in high-quality finishes
    • Includes K&N High-Flow. Washable/Reusable Air Filter
    • Some applications available in cold-air versions
    • Easy to Install
    • Million Mile Limited Warranty
    • Street legal in most states (some not street legal in CA - Check part number or vehicle listing for specific CARB status)

     


    Typhoon Short Ram 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
  10. K&N Typhoon Short Ram Intake Kit [Subaru Impreza]
    $283.99

    Built for performance and show. the Typhoon® Air Intake System is a free-flowing mandrel-bent aluminum tube induction system designed to fit many sport compact performance vehicles.  Each kit is proven on a rear-wheel dynamometer to increase horsepower and torque. Typhoon intakes come in one of three designs; cold air intakes (CA). short ram intakes (SR). or complete cold air (CCA) intakes which can be configured as either a cold air intake or a short ram intake.  They come with an oversized High-Flow conical air filter designed to provide increased surface area and dust capacity. This extra surface area provides even more airflow at lower restriction than a standard K&N O/E replacement filter that is limited to the size of the factory air box. The oversize air filter also captures more dirt increasing the service life before a cleaning is required (up to 100.000 miles).  Some Typhoon Air Intakes are not legal for use in California and other states adopting California emission standards while others are CARB exempt and 50 state legal.

     

    K&N Cool Air Intake Kit

    • Designed for increased performance for your sport compacts. utilizing the finest quality components
    • Guaranteed to Provide more horsepower and increased acceleration
    • Available in high-quality finishes
    • Includes K&N High-Flow. Washable/Reusable Air Filter
    • Some applications available in cold-air versions
    • Easy to Install
    • Million Mile Limited Warranty
    • Street legal in most states (some not street legal in CA - Check part number or vehicle listing for specific CARB status)

     


    Typhoon Short Ram 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

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