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Now In: Subaru PerformanceSTI2008+ STI → Engine Components

ARP Head Studs for the WRX and STI ARP Head Studs for the WRX and STI

It is for good reason that virtually every top processoinal engine builder relies on ARP Pro Series Head studs for their all-out competition engines.  Simp...

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Regular Price: $323.41
 On Sale For: $192.65 
Quantity:   
 
Cosworth Dry Sump Oil System Kit for WRX and STi Cosworth Dry Sump Oil System Kit for WRX and STi

Order now for free shipping!

In turbo Subaru engines, the limiting...

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Regular Price: $3,599.00
 On Sale For: $3,420.00 
Quantity:   
 
Cosworth Forged Connecting Rods Cosworth Forged Connecting Rods

The connecting rod is the vital link between the piston and the rotational portion of the engine....

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Regular Price: $977.00
 On Sale For: $929.00 
Quantity:   
 
Cosworth High Performance STi EJ257 Long Block Assemblies Cosworth High Performance STi EJ257 Long Block Assemblies

We are now offering FREE SHIPPING on Cosworth parts!

After several years of testing and developme...

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Regular Price: $12,359.00
 On Sale For: $11,742.00 
Quantity:    
 
Cosworth Light Weight Billet Crankshaft Cosworth Light Weight Billet Crankshafts

Order now for free shipping!


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Regular Price: $3,999.00
 On Sale For: $3,800.00 
Quantity:   
 
Subaru OEM Head Studs for Turbo EJ Series Engines Subaru OEM Head Studs for Turbo EJ Series Engines

These are the Origional Subaru Head Studs used in the EJ Series Turbo Engine's.  These will fit the 2002+ USDM WRX, 2004+ STI, 2004+ Forester XT, and 2005+...

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Price: $10.58 
Quantity:   
 
Cosworth - Subaru EJ257 High Performance Short Block Assemblies Cosworth - Subaru EJ257 High Performance Short Block Assemblies

 
For a limited time, we are now offering FREE SHIPPING on Cosworth Engine's!
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Regular Price: $5,562.00
 On Sale For: $5,284.00 
Quantity:   
 
Cosworth 2.6 Liter Stroker Kit for the EJ25 Cosworth 2.6 Liter Stroker Kit for the EJ25

Regular Price: $6,385.00
 On Sale For: $6,066.00 
Quantity:   
 
Cosworth CNC Ported Big Valve Cylinder Head Assemblies for STi EJ257 Cosworth CNC Ported Big Valve Cylinder Head Assemblies for STi EJ257

For a limited time, we are offering FREE SHIPPING on Cosworth Big-Bore Cylinder Heads!
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Regular Price: $4,222.00
 On Sale For: $4,011.00 
Quantity:   
 
STI EJ257 Shortblock STI EJ257 Shortblock

In Stock and Ready to SHIP!

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Regular Price: $2,063.57
 On Sale For: $1,700.00 
Quantity:   
 
Subaru EJ20 Crankshaft from 04-05 WRX Subaru EJ20 Crankshaft from 04-05 WRX

This is the OEM Crankshaft that came in the 2004 - 2005 Ej20 WRX.  The main difference between this, and the earlier Cranksha...

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Regular Price: $385.43
 On Sale For: $308.35 
Quantity:   
 
Cosworth Camshafts for STi EJ257 Cosworth Camshafts for STi EJ257

We now offer FREE SHIPPING on this item!
Regular Price: $1,155.00
 On Sale For: $1,098.00 
Quantity:   
 
Cosworth High RPM Single Valve Spring set (16) EJ20/EJ25 Cosworth High RPM Single Valve Spring set (16) EJ20/EJ25

Regular Price: $325.00
 On Sale For: $309.00 
Quantity:   
 
Cosworth High Volume Oil Pan for the EJ205 & EJ257 Cosworth High Volume Oil Pan for the EJ205 & EJ257

We now offer FREE SHIPPING on this item!

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Regular Price: $599.00
 On Sale For: $570.00 
Quantity:   
 
Cosworth Oil Control Baffle Plate Cosworth Oil Control Baffle Plate

We currently offer FREE SHIPPING on this item!
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Regular Price: $325.00
 On Sale For: $309.00 
Quantity:   
 
Cosworth Ultra High Performance 11mm Head Studs Cosworth Ultra High Performance 11mm Head Studs

Cosworth's Ultra High Performance 11mm Head Studs are essential for high performance engine builds. Heavy duty...

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Regular Price: $469.00
 On Sale For: $446.00 
Quantity:   
 
Cosworth Ultra-High RPM Dual Valve Spring / Titanium Retainer set Cosworth Ultra-High RPM Dual Valve Spring / Titanium Retainer set

We now offer FREE SHIPPING on this item!
Regular Price: $795.00
 On Sale For: $756.00 
Quantity:   
 
Subaru STI Connecting Rod (EJ257) Subaru STI Connecting Rod (EJ257)

This is the factory Connecting Rod that comes in the STI's 2.5 liter EJ257 engine.  They are sold individually, or as a set o...

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Price: $73.73 
Quantity:   
 
Cosworth Forged Pistons for Subaru STi EJ257 Cosworth Forged Pistons for Subaru STi EJ257

We now offer FREE SHIPPING on this item!
Regular Price: $799.00
 On Sale For: $760.00 
Quantity:   
 
Cosworth Performance Subaru Piston Ring Sets For Cosworth Pistons Cosworth Performance Subaru Piston Ring Sets For Cosworth Pistons

We now offer FREE SHIPPING on this item!
Regular Price: $121.00
 On Sale For: $115.00 
Quantity:   
 
Control Industries Fuel Surge Tank Control Industries Fuel Surge Tank

1.33 L Fuel Surge Tank (Also Called Swirl Tank, Swirl Pot, Fuel Tank)


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Price: $224.95 
Quantity:   
 
Cosworth Main and Rod Bearings Cosworth Main and Rod Bearings

We now offer FREE SHIPPING on these items!
Regular Price: $104.00
 On Sale For: $99.00 
Quantity:   
 
2008 USDM STi 11mm Oil Pump - Kit 2008 USDM STi 11mm Oil Pump - Kit

In Stock and Ready To Ship!

This pump comes on the 2008 STI. 

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Regular Price: $154.95
 On Sale For: $139.95 
Quantity:   
 
Cosworth 10mm Blueprinted Oil Pump Kit Cosworth 10mm Blueprinted Oil Pump Kit

We now offer FREE SHIPPING on this product!
Regular Price: $355.00
 On Sale For: $338.00 
Quantity:   
 
Cosworth High Pressure 11mm Oil Pump Cosworth 11mm Blueprinted Oil Pump Kit

Order now for free shipping!


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Regular Price: $375.00
 On Sale For: $357.00 
Quantity:   
 
Cosworth 12mm Blueprinted Oil Pump Kit Cosworth 12mm Blueprinted Oil Pump Kit

We now offer FREE SHIPPING on this item!
Regular Price: $539.00
 On Sale For: $513.00 
Quantity:   
 
JDM Subaru 12mm Oil Pump - Kit JDM Subaru 12mm Oil Pump - Kit

In Stock and Ready To Ship

For: Subaru EJ20 & EJ25.

This...

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Regular Price: $265.00
 On Sale For: $240.00 
 
 
Cosworth EJ20/EJ255/EJ257 Kevlar Timing Belt Cosworth EJ20/EJ255/EJ257 Kevlar Timing Belt

In Stock and Re...

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Regular Price: $265.00
 On Sale For: $252.00 
Quantity:   
 
STI Timing Belt STI Timing Belt

Subaru Technica International’s timing belt is actually very ...

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Regular Price: $319.95
 On Sale For: $259.96 
Quantity:   
 
Subaru OEM Timing Belt for the WRX, STI, Legacy GT Subaru OEM Timing Belt for the WRX, STI, Legacy GT

Subaru requires the Timing Belt to be replaced at 105,000 miles. 
Regular Price: $149.95
 On Sale For: $119.99 
Quantity:   
 
Subaru OEM Timing Belt Tensioner Assembly Subaru OEM Timing Belt Tensioner Assembly

This is a Brand New OEM Subaru Hydraulic Timing Belt Tensioner.  It will fit most all EJ series engin...

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Regular Price: $149.99
 On Sale For: $112.46 
Quantity:   
 
Cosworth - EJ20/EJ25 Timing Belt Guide Cosworth - EJ20/EJ25 Timing Belt Guide

This item now has FREE SHIPPING!
Regular Price: $79.00
 On Sale For: $76.00 
Quantity:   
 
Cosworth Air Pump Delete Plate Set Cosworth Air Pump Delete Plate Set

Cosworth developed this part to eliminate the air pump and related valves found on 2006-2008 Subaru Engines.
...

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Regular Price: $70.00
 On Sale For: $67.00 
Quantity:   
 
Cosworth Billet Cam Angle Sensor Bracket Cosworth Billet Cam Angle Sensor Bracket

We now offer FREE SHIPPING on this item!
Regular Price: $79.00
 On Sale For: $76.00 
Quantity:   
 
Cosworth High Performance Head Gaskets for STi EJ257 Cosworth High Performance Head Gaskets for STi EJ257

We now offer FREE SHIPPING on this item.

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Regular Price: $200.00
 On Sale For: $190.00 
Quantity:    
 
Gizzmo Thermal Gaskets for EJ Series Engines Gizzmo Thermal Gaskets for EJ Series Engines

The Gizzmo Thermal Gasket, also known as a phenolic gasket, greatly reduces heat transfer from th...

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Price: $84.99 
Quantity:   
 
STi Subaru OEM Head-gaskets (pair) STi Subaru OEM Head-gaskets (pair)

STi Subaru OEM Head-gaskets
for ALL MY 2004-2006 2.5L EJ257 engine...

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Regular Price: $79.90
 On Sale For: $69.90 
Quantity:   
 
Subaru OEM EJ257 Master Gasket Set Complete Subaru OEM EJ257 Master Gasket Set Complete

1 / 803928010 / GSKT-28.2x33.5x1 / 3 / silver seals for the 14mm allen block access bolts
2 / 806786040 / OIL SEAL-86x103x10 / 3 / Rear main se...

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Regular Price: $303.23
 On Sale For: $272.99 
Quantity:   
 
Denso Iridium Plugs for STI, 05 Legacy GT, and Forester XT (OEM Temp & 1 step colder) Denso Iridium Plugs for STI, 05 Legacy GT, and Forester XT (OEM Temp & 1 step colder)

The Denso Iridium spark plug is a new generation of high-performanc...

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Regular Price: $60.00
 On Sale For: $48.00 
Quantity:   
 
NGK Iridium Plugs for the STI, 2006+ WRX, Forester XT, and Legacy GT (OEM & 1 Step Colder) NGK Iridium Plugs for the STI, 2006+ WRX, Forester XT, and Legacy GT (OEM & 1 Step Colder)

The benefits of NGK Iridium plugs are:


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Price: $32.99 
Quantity:   
 
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