Killer B Motorsport 02-07 WRX-STi GD Air-Oil Separator Forged EJ Pistons all 4 valve cover fittings

all 4 valve cover fittings

These new 20G-XT compressor wheels really are a work of art: stronger yet lighter closed die forged aluminum alloy combined with state-of-the-art 5-axis CNC machining allows for tweaking the aero for even greater mass flow and efficiency from a given geometry

Equip your engine with the best in forged pistons

Rated to hold Approximately 430 ft/lbs of Torque

Killer B Motorsport 02-07 WRX-STi GD Air-Oil Separator Forged EJ Pistons all 4 valve cover fittingsThis 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