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Subaru Impreza 2003-2005 Engine Parts
428 products
Showing 337 - 360 of 428 products
A Genuine engine gasket kit for EJ255 engines, from 05/2005+

A Genuine Subaru Oil Cooler Modine for Spec C's and S202's, for cars fitted with an Oil Cooler in the Front Bumper.


Oil control is a problem which can effect the Subaru's "Flat Four Boxer" engine design more than most due to its high crank case pressure and horizontal engine design. This is one of the reasons we have spent so much time at RCM developing ...

Oil control is a problem which can effect the Subaru's "Flat Four Boxer" engine design more than most due to its high crank case pressure and horizontal engine design. This is one of the reasons we have spent so much time at RCM developing ...

A must-have tool for efficient brake servicing, the RCM Brake Caliper Piston Spreader is designed to quickly and safely retract caliper pistons when replacing brake pads. Engineered for both professional workshops and performance enthusiast ...

Parallel fuel lines are a great addition to any engine, not only do they provide a more consistent volume of fuel to your injectors but they also yield key safety benefits. With Subaru's standard fuel system design, fuel is fed by a pump fr ...

This bolt-on, integrated performance upgrade simultaneously solves the two most significant bottlenecks in the EJ-series intake system: air restriction and fuel supply. This Dual Fuel Rail Tumbler Delete Kit, CNC machined from billet alumi ...

RCM Replacement Diaphragm – Performance Fuel Pressure Regulators Maintain peak performance. Preserve total control. Ensure your RCM Performance Fuel Pressure Regulator continues to deliver the precision and reliability your Subaru tuning se ...
RCM Motorsport 35mm Bucket Shim – DLC Coated Precision Engineered for High-Performance Engines The RCM Motorsport 35mm Bucket Shim is designed for demanding performance and motorsport applications where strength, precision, and durability a ...

RCM Subaru EJ Series Dry Sump Drive Pulley Upgrade Kit Upgrade to 34mm Wide Pulley for Improved Belt Grip & Reliability The RCM Dry Sump Drive Pulley Upgrade Kit is a complete solution designed to upgrade early-generation (pre-2025) RCM ...

RCM Dry Sump Pump to Pan O-Ring Seal For RCM Subaru EJ Series Dry Sump System This O-ring provides a precise, leak-free seal between the RCM dry sump pump and oil pan. Made from high-temp, oil-resistant material, it ensures reliable perform ...

RCM Dry Sump Pan to Block O-Ring Seal For Subaru EJ Series (RCM Dry Sump Systems) This high-quality O-ring provides a secure, leak-free seal between the RCM dry sump oil pan and the engine block on Subaru EJ engines. Made from oil- and heat ...

Replacement Oil Pump Pulley Nut – RCM Subaru EJ Series Dry Sump Kits This is a direct replacement oil pump pulley nut for use with RCM's Subaru EJ Series Dry Sump Kits. The nut is compatible with box options 28mm Wide Pulley – Suited for ...

Replacement Oil Pump Pulley – RCM Subaru EJ Series Dry Sump Kits This is a direct replacement oil pump pulley for use with RCM's Subaru EJ Series Dry Sump Kits. Two pulley options are available: 28mm Wide Pulley – Suited for pre-2025 dry ...

Roger Clark Motorsport - Mityvac Vacuum Tester Welcome to Roger Clark Motorsport, where we provide high-quality tools and equipment to meet the demands of automotive professionals and enthusiasts. We are proud to offer the Mityvac Vacuum ...

At the heart of a Gobstopper engine is the incredible 2.0 litre EJ20 Closed deck block.

These are great news if you need to seal up your engine for what ever reason. Be it during the build process or you need to transport your engine and want to stop debris or foreign objects entering the ports. Made from 5mm anodised aluminiu ...

Quality. Innovation. Performance. The hallmarks of Arrow Precision. Only the highest quality raw materials, the latest methods and the knowledge of superbly skilled designers and engineers goes into the making of every Arrow Precision part. ...

GSC Power-Division billet S3 camshafts for the EJ205 WRX Version 5 and 6. These cams are built to suit the high horsepower Subis. With a power range of 700 WHP and up, you need some certain mods to utilize the true potential of the S3s: bu ...

GSC Power-Division billet S2 camshafts for the EJ205 WRX Version 5 and 6. These cams are built to suite the high horsepower Subis. With a power range of 500 WHP and up, you need some certain mods to utilize the true potential of the S2s: b ...

The GSC Power-Division billet S1 camshafts for the EJ205 WRX Version 5 and 6. These will not drop any low end power, but actually cause faster spool of the turbo, creating more power and torque across the entire RPM range. Good for stock t ...

GSC Power-Division billet S3 camshafts for the Subaru EJ207 version 7 and above with single AVCS. These camshafts are designed for drag use only, fully built engines with a power range of 750-1,300 WHP and an RPM range of 4,500-9,500. Cert ...

An essential part of modifying your Impreza engine is having the ability to supply the cylinder with enough fuel during the combustion process. Our 2600cc high performance, top feed injectors are designed to fit Impreza's from 2001 onwards ...
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