CP Forged 99.75mm Bore / 9.0:1 Comp Pistons & Rings WRX / STI Subaru Turbo Models EJ255 / EJ257 2004-2021 vendor_AEM Electronics Wrapping headers and down pipes

Wrapping headers and down pipes is an important first step in reducing unwanted and power-robbing under hood heat

these pads deliver smooth

Spark Plug Thread Diameter: 14mm

0L car to an STi shortblock

Each system is built from premium stainless steel to give you the absolute best in performance and durability

CP Forged 99.75mm Bore / 9.0:1 Comp Pistons & Rings WRX / STI Subaru Turbo Models EJ255 / EJ257 2004-2021 vendor_AEM Electronics Wrapping headers and down pipesPart #: SC7426 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