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STi + 2006 + 2010 + Cosworth + 2012 Catalog

Cosworth 1.1 Bar High Pressure Radiator Cap
Cosworth 1.1 Bar High Pressure Radiator Cap

Cosworth High Pressure Radiator caps are engineered to increase the boiling point in your vehicles cooling system providing improved cooling efficiency. Each cap is manufactured from...


$30.00
Cosworth 1.1 Bar High Pressure Radiator Cap
$30.00
Cosworth 1.3 Bar High Pressure Radiator Cap
Cosworth 1.3 Bar High Pressure Radiator Cap

Cosworth High Pressure Radiator caps are engineered to increase the boiling point in your vehicles cooling system providing improved cooling efficiency. Each cap is manufactured from...


$30.00
Cosworth 1.3 Bar High Pressure Radiator Cap
$30.00
Cosworth 1.5 Bar High Pressure Radiator Cap
Cosworth 1.5 Bar High Pressure Radiator Cap

Cosworth High Pressure Radiator caps are engineered to increase the boiling point in your vehicles cooling system providing improved cooling efficiency. Each cap is manufactured from...


$30.00
Cosworth 1.5 Bar High Pressure Radiator Cap
$30.00
Cosworth 11mm Head Studs (02+ WRX, 04+ STi, FXT, LGT)
Cosworth 11mm Head studs (02+ WRX, 04+ STi, FXT, LGT)

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. ...


$499.00
Cosworth 11mm Head studs (02+ WRX, 04+ STi, FXT, LGT)
$499.00
Cosworth 154 Degree Thermostat
Cosworth 154 Degree Thermostat

We Cosworth LowTemp Motorsport Thermostats are engineered with the optimum temperature range in mind for high performance racing use as it is very easy to over cool the engine by either...


$112.00
Cosworth 154 Degree Thermostat
$112.00
Cosworth 79mm 2.5L Crankshaft (04+ STi, 06+ WRX)
Cosworth 79mm 2.5L Crankshaft (04+ STi, 06+ WRX)

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...


$3,999.00
Cosworth 79mm 2.5L Crankshaft (04+ STi, 06+ WRX)
$3,999.00
Cosworth 81mm 2.5L Crankshaft (04+ STi, 06+ WRX)
Cosworth 81mm 2.5L Crankshaft (04+ STi, 06+ WRX)

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...


$3,999.00
Cosworth 81mm 2.5L Crankshaft (04+ STi, 06+ WRX)
$3,999.00
Cosworth Dry Sump Oil System (02+ WRX/STi, 04-08 FXT)
Cosworth Dry Sump Oil System (02+ WRX/STi, 04-08 FXT, 05-09 LGT)

The Cosworth Dry Sump Setup Kit for the Subaru EJ series engine is a must for race and performance applications. Dry sump oiling systems offer an unparalleled level of safety and...


$3,425.00
Cosworth Dry Sump Oil System (02+ WRX/STi, 04-08 FXT, 05-09 LGT)
$3,425.00
Cosworth Forged Piston Set - 100mm 8.2:1
Cosworth Forged Piston Set - 100mm 8.2:1

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...


$995.00
Cosworth Forged Piston Set - 100mm 8.2:1
$995.00
Cosworth Forged Piston Set - 99.50mm 8.2:1 (04+ STi, 06+ WRX)
Cosworth Forged Piston Set - 99.50mm 8.2:1 (04+ STi, 06+ WRX)

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...


$995.00
Cosworth Forged Piston Set - 99.50mm 8.2:1 (04+ STi, 06+ WRX)
$995.00
Cosworth H-Beam Connecting Rods (5.137)
Cosworth H-Beam Connecting Rods (5.137)

The connecting rod is the vital link between the piston and power. When engine output is increased,  the demands placed on the connecting rod increase as well. To ensure engine...


$995.00
Cosworth H-Beam Connecting Rods (5.137)
$995.00
Cosworth High Pressure 11mm Oil Pump (02-11 WRX, 04+ STi)
Cosworth High Pressure 11mm Oil Pump (02-11 WRX, 04+ STi)

High performance engines require additional oil pressure because of the increased demand placed upon various components within the engine. The Cosworth High Pressure Oil Pump for the...


$400.00
Cosworth High Pressure 11mm Oil Pump (02-11 WRX, 04+ STi)
$400.00