Grimmspeed Overtake BB500 Turbo Kit for EJ WRX/STi (123006) Buschur 2 Viton o-ring seals

2 Viton o-ring seals

tuned and dyno-tested specifically for the Evo X

#87 when cutting stock 12V pump wire

Every BC camshaft profile has been prototyped and dyno tested for proven horsepower results prior to placed into mass production

an outer CV that is about 30% larger than stock with larger internals

Grimmspeed Overtake BB500 Turbo Kit for EJ WRX/STi (123006) Buschur 2 Viton o-ring sealsThe Grimmspeed Overtake BB500 Turbo Kit is a stock location, bolt on turbo for 2004+ Subaru STi and 2002 2014 WRX. The BB500 is a quick spooling, ball bearing turbo able to hit 40 psi before 4100 rpm. Testing delivered 129 HP over a tuned stock STI turbo even more expected with additional mods! Just like with the JB400, drivability was the #1 goal and by combining slick aero wheel designs with a dual ceramic ball bearing center housing rotating