BC Brian Crower Crankshaft for EJ25 Subaru WRX/ STi (BC5609/BC5629) Application::STi (BC5629) 8mm Turbine Wheel Exducer: 54mm

8mm Turbine Wheel Exducer: 54mm 54mm Compressor Housing: 84mm Flow Advancement Port Cover 84mm Flow Advancement Port Cover

improving RPM potential

this intake is backed by the Mishimoto Lifetime Warranty for as long as you own the vehicle

(1) Valve with Sensor Harness

Alaska and Puerto Rico)

BC Brian Crower Crankshaft for EJ25 Subaru WRX/ STi (BC5609/BC5629) Application::STi (BC5629) 8mm Turbine Wheel Exducer: 54mmBrian Crower crankshafts are crafted from 4340 billet steel. Each crankshaft undergoes stress relief, shot peening, magnaflux inspection, and nitriding (a multi step heat treatment) to ensure peak performance. Fully profiled counterweights are designed to minimize windage through the crankcase, reducing oil resistance and enhancing RPM potential. Choice of application for WRX or STi models. Vehicle Fitment: 2002 2014 Subaru WRX 2004 2021 Subaru STi