Killer B Motorsport 02-07 WRX-STi GD Air-Oil Separator Forged EJ Pistons View over 300 possible runtime

View over 300 possible runtime parameters

Not Holy Cow expensive

Equip your engine with the best in forged pistons

Comes with spacer to fit 5MT (for 5 speed transmissions)

Killer B Motorsport 02-07 WRX-STi GD Air-Oil Separator Forged EJ Pistons View over 300 possible runtimeThis is a product weve been asked to develop for many years, and in that time there has been a lot of research, engineering, simulations, development, testing, (and repeat), with several different Subaru engines and build types, including stock engines. This process has occurred within many different seasons, exposing the Air Oil Separator to extreme environmental and driving conditions (daily driving, auto X, drag racing, dyno testing, etc.), as well