CP Piston & Ring Set Bore 100mm Size +0.5mm CR 10:1 WRX / STI Subaru EJ25 Turbo Models 2004-2021 vendor_Ohlins Traditional smaller push-type valves can

Traditional smaller push-type valves can react faster but lack the ability vents large boost pressures

The OEM Subaru EJ255 head gasket is multi-layered steel

EXEDY steel billet and forged steel flywheels for the STi have passed engineering tests to 15

The Turbo XS catback features Turbo XS's 3in" midpipe with the new flex pipe design and a 2

Part #: SC7221

CP Piston & Ring Set Bore 100mm Size +0.5mm CR 10:1 WRX / STI Subaru EJ25 Turbo Models 2004-2021 vendor_Ohlins Traditional smaller push-type valves canPart #: SC7417 CP WRX and STI forged pistons feature superb ring seal, higher vacuum, lower blow by, greater durability and increased horsepower and torque through the power band. Better yet, peak horsepower is retained through the life of the piston rings. This is achieved by lightweight forgings and CP's exclusive machining techniques and processes. CP's commitment to racing is reflected in every piston they produce. CP is dedicated to superior