SUBARU WRX Version 3 - 4 (STI). High performance valve spring set. The OEM STi retainer needs slight maching to fit these springs. 87lb seat pressure at 42.00mm Installed Height.
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ENGINE COMPONENTS
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ENGINE BLOCK PARTS
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PISTONS
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CHRYSLER / DODGE PISTONS
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HONDA / ACURA PISTONS
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CONNECTING RODS
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ENGINE BEARINGS
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CYLINDER HEAD PARTS
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EXHAUST SYSTEM
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FUEL SYSTEM
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ENGINE MOUNT KITS
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DRIVETRAIN / CHASSIS
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TRANSMISSION
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SYNCHROTECH PARTS
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CLUTCH KITS AND FLYWHEELS
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COMPETITION CLUTCH FLYWHEELS AND CLUTCH KITS
COMPETITION CLUTCH FLYWHEELS AND CLUTCH KITS -
CLUTCH MASTERS FLYWHEELS AND CLUTCH KITS
CLUTCH MASTERS FLYWHEELS AND CLUTCH KITS -
ACT FLYWHEELS AND CLUTCH KITS
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SHIFTERS / CABLES/ ACCESSORIES
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SUSPENSION COMPONENTS
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AXLES & DRIVESHAFTS
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CHASSIS & STEERING
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STEERING WHEELS & RELATED ACCESSORIES
STEERING WHEELS & RELATED ACCESSORIES
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FORCED INDUCTION
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ELECTRONICS
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COOLING SYSTEM / RADIATOR / HOSE KITS
COOLING SYSTEM / RADIATOR / HOSE KITS -
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TRANSMISSION / DRIVETRAIN