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2009+ STI EJ257 Shortblock with Nitride Treated Crankshaft | ||
In Stock and Ready to SHIP!
This is a brand new, completely assembled short-block directly from Subaru. (read more...) |
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| Regular Price: $2,145.57 On Sale For: $1,870.00 |
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ARP Ultra-Torque Rod Bolts | ||
ARP manufactures replacement rod bolts for many popular import and domestic Sport Compact engines that are made of premium grade 8740 chromoly steel and heat treated to a nominal tensile strength of 200,000 psi. Threads are rolled after heat treatment to ensure optimum fatigue strength. They are far superior to OEM fasteners in terms of durability and service life – fully capable of handling the...  (read more...) |
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| Price: $74.85 | |||
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Brand New STi EJ257 Blank Heads and Valve Covers | ||
These are brand new, blank OEM EJ257 Heads straight from Subaru. Repairing an engine failure? Building an engine from scratch with your own internals and valvetrain? This is a great option for you, since Subaru no longer offers fully assembled heads as a single part number. These do not contain valves, retainers, springs, cams, seals, gaskets, etc. This is just the blank head casings as pictured. We have a... (read more...) |
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| Regular Price: $1,294.12 On Sale For: $1,132.00 |
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Cosworth - Subaru EJ257 High Performance Short Block Assemblies | ||
| For a limited time, we are now offering FREE SHIPPING on Cosworth Engine's!
Cosworth EJ25 (STI) short block has gone through countless hours of dyno evaluation to determine the best combination of par... (read more...) |
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| Regular Price: $5,562.00 On Sale For: $5,284.00 |
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Crawford Cam Timing Adjusters | ||
Do you have a different thickness head gasket than you motor was designed for? Have you decked your block or heads? Do you have phase one heads on a phase two block? Or do you want to adjust your cam timing to move your power band up or down? If you said yes to any or all of the above then Crawford has a cost
effective answer ... |
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| Price: $149.90 | |||
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Crawford High Performance Short Block Assemblies | ||
Crawford's reputation as an elite Subaru engine builder has continued to
grow with the release of several new options from them in long and short
block assemblies. These are assembled to Crawford's exacting
specifications, and are serialized, so you know and can prove that you
have the real deal! There are several variations of these Short Block Assemblies. If you are not sure what you nee... (read more...) |
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| Price: $3,999.95 | |||
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Eagle Rods for the EJ255 and EJ257 (H-Beam) | ||
We now have Eagle Rods in stock with FREE SHIPPING! |
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| Regular Price: $400.00 On Sale For: $352.95 |
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OEM 2009+ Subaru STi Nitride-treated Crankshaft | ||
This is the Nitride treated crankshaft out of the 2010 Subaru WRX STi EJ257. Nitride treatment hardens the surface of the crank, which prevents scoring caused by a piece metal getting stuck between the bearing and the crank. By increasing the hardness of the crankshaft surface, any material which gets caught between the new surfaces is simply ground down and filtered out through the oil, potentially preventing bearing failure. (read more...) |
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| Regular Price: $359.99 On Sale For: $315.00 |
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Rear Engine Re-Seal Kit for Subaru | ||
If you are doing a clutch and flywheel installation, we recommend re-sealing the back side of the motor while you have access. If you are a low mileage car this may not be necessary, but for most applications, it is good peace of mind. This kit includes everything you need to reseal the whole back side of the motor, which you have access to during that installation. The parts are also available individually below the kit.... (read more...) |
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| Regular Price: $52.52 On Sale For: $39.71 |
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STI EJ257 Shortblock | ||
In Stock and Ready to SHIP!
This is still the same brand new Subaru OEM block as before, just at a lower price! |
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| Regular Price: $2,063.57 On Sale For: $1,799.00 |
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Subaru EJ257 STI Engine Case Halves (Empty) | ||
We got enough requests for these that we decided to list them on our site separately from the complete STi short-block. This is a brand new Subaru EJ257 short block case. It does not have a crank, pistons, rods, or bearings, and is just a plain case. If you are going to be building a block with forged pistons, or more, this is a perfect way to start because you can pick all the parts you ... (read more...) |
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| Regular Price: $1,029.87 On Sale For: $950.00 |
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Subaru OEM Oil Coolers | ||
These are the OEM Subaru Oil Coolers, which we recommend you replace if you have had any type of bearing failure. Pieces of metal from such failures can get lodged in the oil cooler, and there is no way to effectively flush them out. If you choose to re-use your existing oil cooler, there is a chance that one of those pieces of me... (read more...) |
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| Regular Price: $269.95 On Sale For: $202.46 |
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Cosworth High Performance STi EJ257 Long Block Assemblies | ||
We are now offering FREE SHIPPING on Cosworth parts! After several years of testing and development, the Cosworth High Performance Subaru EJ25 long block has arrived. The CS600 series is designed for extreme track day use and the demanding performance enthusiast. Each assembly is precision built by one of Cosworth's skilled craftsmen using the finest components from their parts catal... (read more...) |
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| Regular Price: $12,359.00 On Sale For: $11,742.00 |
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Crawford Performance High Performance Long-Block Assemblies | ||
Crawford's reputation as an elite Subaru engine builder has continued to grow with the release of several new options from them in long and short block assemblies. These are assembled to Crawford's exacting specifications, and are serialized, so you know and can prove that you have the real deal! There are several variations of these Long Block Assemblies. If you are not sure what you need, or if your... (read more...) |
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| Price: $9,569.95 | |||
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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! Cosworth CNC ported cylinder heads feature dyno tested and flow bench proven ports, engineered for maximum real world power. Each new cylinder head is ported on a 5 axis machine to ensure consistency and perfect port shape every time. Additionally, larger in... (read more...) |
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| Regular Price: $4,222.00 On Sale For: $4,011.00 |
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Crawford Performance Race Prepped STi Cylinder Heads | ||
Crawford's professionally hand ported high
power cylinder heads come complete with a performance valve job, valve
springs, and titanium retainers. Crawford's heads limit the recommended maximum RPM to
8500, designed for faster spooling characteristics and less
frictional loss c... |
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| Price: $4,400.00 | |||
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Cosworth 2.6 Liter Stroker Kit for the EJ25 | ||
For a limited time, we are offering FREE SHIPPING on Cosworth Stroker Kits!
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| Regular Price: $6,385.00 On Sale For: $6,066.00 |
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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 Crankshafts is that this one came cross-drilled from the factory for better lubrication.
The EJ20 has 2.0 liters of displacement, and... (read more...) |
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| Regular Price: $385.43 On Sale For: $308.35 |
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ARP Head Studs for the WRX and STI | ||
It is for good reason that virtually every top professional engine builder relies on ARP Pro Series Head studs for their all-out competition engines. Simply stated, there's not a better stud on the market today. |
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| Regular Price: $323.41 On Sale For: $192.65 |
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Cosworth Camshafts for STi EJ257 | ||
We now offer FREE SHIPPING on this item!
Cosworth has been engineering camshafts for nearly 50 years. That coupled with (read more...) |
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| Regular Price: $1,155.00 On Sale For: $1,098.00 |
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Cosworth High RPM Single Valve Spring Set (x16) for EJ205/EJ257 | ||
We now offer FREE SHIPPING on this item!
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| Regular Price: $325.00 On Sale For: $309.00 |
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Cosworth High Volume Oil Pan for the EJ205 & EJ257 | ||
We now offer FREE SHIPPING on this item! Sustained high RPM’s or prolonged high speed driving will result in elevated oil temperatures. Additional oil volume along with improved oil control will reduce damaging oil temperatures improving performance and reliability. The Cosworth EJ20/EJ25 High Volume Oil Pan is fabricated from both custom and original ... (read more...) |
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| Regular Price: $599.00 On Sale For: $570.00 |
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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 |
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Cosworth Ultra High Performance 11mm Head Studs | ||
Cosworth's Ultra High Performance 11mm Head Studs are essential for high performance engine builds. Heavy duty head studs reduce cylinder head movement in high boost or high compression engines optimizing cylinder head to block sealing. Special heat treat process includes heating in vacuum sealed furnace and quenched in a nitrogen chamber for precision... (read more...) |
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| Regular Price: $469.00 On Sale For: $446.00 |
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Cosworth Ultra-High RPM Dual Valve Spring / Titanium Retainer set | ||
We now offer FREE SHIPPING on this item!
Cosworth Ultra Race Valve Spring Kits are engineered for use in situations that require valve control in extreme conditions. (read more...) |
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| Regular Price: $795.00 On Sale For: $756.00 |
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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+ Legacy GT. (read more...) |
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| Price: $10.58 | |||
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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 of 4. Perfect if you are rebuilding a wounded engine, or putting a new one together from scratch.
Also, make sure that y... (read more...) |
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| Price: $73.73 | |||
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Cosworth Forged Pistons for Subaru STi EJ257 | ||
We now offer FREE SHIPPING on this item! The piston is one of the most important components within the engine. It can be subjected to directional change up to 285 times every second and must withstand acceleration forces of 8500g. (read more...) |
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| Regular Price: $799.00 On Sale For: $760.00 |
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Cosworth Performance Subaru Piston Ring Sets For Cosworth Pistons | ||
We now offer FREE SHIPPING on this item! High performance piston ring set for Cosworth Pistons. Set includes rings for 4 pistons. (read more...) |
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| Regular Price: $121.00 On Sale For: $115.00 |
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Cosworth Forged Connecting Rods | ||
The
connecting rod is the vital link between the piston and the rotational portion of the engine. When engine
output is increased, (read more...) |
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| Regular Price: $977.00 On Sale For: $929.00 |
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Cosworth Light Weight Billet Crankshafts | ||
Order now for free shipping! Increased engine performance often means increased engine speed and
load. Original factory crankshafts may
not be able to withstand the added stress resulting in
catastrophic engine failure. Additionally, factory Subaru crankshaft
rod journals are lubricated from only one main o... |
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| Regular Price: $3,999.00 On Sale For: $3,800.00 |
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Crawford Forged Pistons for the STi EJ257 | ||
These pistons are SCCA-certified! Forged pistons designed as direct replacement pistons for the
following models: Subaru 2004+ STi, 2005+ Forester XT, Legacy
GT, and 2006+ WRX EJ255.
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| Price: $849.95 | |||
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Crawford Performance Billet Crankshaft | ||
Crawford Performance is pleased to announce their new line of light
weight Billet crankshafts. These cranks can be made to your
specifications, or you can choose from the designs that they have tested
and use in their custom built engines. The standard variation is the 84mm stroker crankshaft, which we have listed for sale here. |
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| Price: $3,699.95 | |||
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Cosworth Main and Rod Bearings | ||
We now offer FREE SHIPPING on these items!
Engine bearings are one of the most vital... (read more...) |
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| Regular Price: $116.00 On Sale For: $111.00 |
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2008 USDM STi 11mm Oil Pump - Kit | ||
In Stock and Ready To Ship!
This pump comes on the 2008 STI. Because of the AVCS on both the Intake and Exhaust cam's,
Subaru improved the design of t... (read more...) |
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| Regular Price: $154.95 On Sale For: $139.95 |
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Cosworth 10mm Blueprinted Oil Pump Kit | ||
We now offer FREE SHIPPING on this product!
High performance engines require additional oil pressure because of the increase... (read more...) |
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| Regular Price: $355.00 On Sale For: $338.00 |
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Cosworth 11mm Blueprinted Oil Pump Kit | ||
Now with free shipping in the continental USA! To produce this pump, Cosworth starts with the improved 11mm oil pump that comes standard in the 2008+ STi. This pump is the same pump used in the JDM / EDM STi's, which are rev-limited at 8k RPMs. This pump is also available on our website in unmodified OEM form. Cosworth then increases the spring tension in the pres... (read more...) |
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| Regular Price: $375.00 On Sale For: $357.00 |
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Cosworth 12mm High Pressure Blueprinted Oil Pump Kit | ||
We now offer FREE SHIPPING on this item!
Increasing oil volume will he... (read more...) |
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| Regular Price: $539.00 On Sale For: $513.00 |
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Cosworth Dry Sump Oil System Kit for WRX and STi | ||
Order now for free shipping! In turbo Subaru engines, the limiting factor affecting the rev-limiter is usually the capability of the oiling system. Upgrading to a larger or blueprinted pump can help prevent oil starvation, but for true long-term high RPM use the only real solution is a dry-sump oiling system. Cosworth has stepped up to the plate to offer j... (read more...) |
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| Regular Price: $3,599.00 On Sale For: $3,420.00 |
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JDM Subaru 12mm Oil Pump - Kit | ||
In Stock and Ready To Ship For: Subaru EJ20 & EJ25. This pump flows 20% more volume, while maintaining the factory USDM STI peak oil pressure. It is great for high RPM use where your original factory oil pump could not keep up with the needed oil output to properly lubricate your engines internal components. Factory Subaru engines sometimes lack the necessary oil... (read more...) |
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| Regular Price: $265.00 On Sale For: $240.00 |
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Cosworth EJ20/EJ255/EJ257 Kevlar Timing Belt | ||
We are currently offering FREE ground shipping on this item! Cosworth Kevlar High Performance Timing belts are 300% stronger than original equipment timing belts and are the perfect compliment when installing Cosworth camshafts or cylinder heads. Engineered with the following features: (read more...) |
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| Regular Price: $265.00 On Sale For: $252.00 |
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STI Timing Belt | ||
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Subaru Technica International’s timing belt is actually very similar to the timing belt that is used on the Subaru WRC Rally Cars. It is designed specifically for the higher demands of hard driving, using Kevlar fibers for reinforcement, making it significantly more durable than the OEM belt. |
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| Regular Price: $319.95 On Sale For: $259.96 |
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Subaru OEM Timing Belt for the WRX, STI, Legacy GT | ||
Subaru requires the Timing Belt to be replaced at 105,000 miles.
We recommend replacing the timing belt at or around 90,000 miles because when this is done, it allows the mechanic to inspect many different critical engine components includ... (read more...) |
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| Regular Price: $149.95 On Sale For: $119.99 |
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Subaru OEM Timing Belt Tensioner Assembly | ||
This is a Brand New OEM Subaru Hydraulic Timing Belt Tensioner. It will fit most all EJ series engines, including the 2002+ WRX, 2004+ STI, 2005+ Legacy GT, and 2004+ Forester XT.
These ca... |
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| Regular Price: $149.99 On Sale For: $112.46 |
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Subaru STI Water Pump Kit | ||
This is a brand new genuine OEM Subaru water pump and gasket. This is great for people rebuilding your engine or just if you have a broken water pump. (read more...) |
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| Regular Price: $143.96 On Sale For: $115.13 |
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Cosworth - EJ205/EJ257 Timing Belt Guide | ||
This item now has FREE SHIPPING! Cosworth's Timing Belt Guide replaces the factory sheet metal timing belt guide to help reduce the possibility of the timing belt skipping a tooth during high rpm use. The original sheet metal timing belt guide can flex from belt deflection when subjected to extreme RPMs causing the timing belt to skip one or more teeth on th... (read more...) |
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| Regular Price: $79.00 On Sale For: $76.00 |
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Cosworth Air Pump Delete Plate Set | ||
Cosworth developed this part to eliminate the air pump and related valves found on 2006-2010 Subaru Engines.
Used for high performance applications or ... (read more...) |
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| Regular Price: $70.00 On Sale For: $67.00 |
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Cosworth Billet Cam Angle Sensor Bracket | ||
We now offer FREE SHIPPING on this item!
Used for mounting the cam angle sensor to the front of Non-North American Spec STI cylinder heads. Useful for adapting our cylinder... (read more...) |
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| Regular Price: $79.00 On Sale For: $76.00 |
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Cosworth High Performance Head Gaskets for STi EJ257 | ||
We now offer FREE SHIPPING on this item. Cosworth High Performance Head Gaskets are engineered to seal in power under the most demanding conditions. 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 are manu... (read more...) |
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| Regular Price: $200.00 On Sale For: $190.00 |
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Gizzmo Thermal Gaskets for EJ Series Engines | ||
The Gizzmo Thermal Gasket, also known as a phenolic gasket, greatly reduces heat transfer from the engine block into the inlet manifold. Stopping this heat transfer results in a cooler inlet air temperature, and in doing so increases your engine power in much the same way as an intercooler does. |
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| Price: $84.99 | |||
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STi Subaru OEM Head-gaskets (pair) | ||
STi Subaru OEM Head-gaskets
for ALL MY 2004-2006 2.5L EJ257 engine blocks ...(read more...) |
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| Regular Price: $79.90 On Sale For: $69.90 |
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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 seal. 3 / 10991AA000 / O RING-CYL BLOCK / 4 / 3 between block halves. 1 behind oil pump. 4 / 806931020 / O RING-31x2.0 / 2 / #4 wrist pin access cover gasket (hidden by flywheel) 5 / 806932030 / O RING-32.6x2.7 / 1 6 / 11034AA000 / WASH-CYL BLK SLNG 6 / for the 6 internal 12mm 12 p... (read more...) |
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| Regular Price: $303.23 On Sale For: $272.99 |
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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-performance spark plug that uses the world’s smallest Iridium electrode that is a mere 0.4 mm in diameter. The smaller electrode is able to concentrate the electric potential at the electrode resulting in a stronger electric field. |
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| Regular Price: $60.00 On Sale For: $48.00 |
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NGK Iridium Plugs for the STI, 2006+ WRX, Forester XT, and Legacy GT (OEM & 1 Step Colder) | ||
The benefits of NGK Iridium plugs are: - Longer Life - Improved ignition efficiency |
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| Price: $32.99 | |||
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