CP Forged Pistons & Ring Set [Multiple Sizes] - Subaru WRX 2006-2014 / STi 2004-2021 Compression Ratio:9.0:1 but this is very new

but this is very new technology to the Subaru world

Perfect for those who loves a deep blue finish

* Ball-bearing Adjustment

* Fiber Reinforced Viton Diaphragm

You can view and download the install guide HERE

CP Forged Pistons & Ring Set [Multiple Sizes] - Subaru WRX 2006-2014 / STi 2004-2021 Compression Ratio:9.0:1 but this is very newWhether youre racing a Honda, Acura, Mitsubishi, Toyota, Nissan, or Subaru, CP Pistons has specially designed high performance pistons off the shelf. In most cases, these will directly replace the stock pistons. Features: High strength aluminum forgings Super lightweight designs Fully CNC machined and balanced to + 1 gram Wrist pins included at no extra cost Accumulator groove included Double pin oilers, force fed from oil ring Pick lock grooves for