BC Brian Crower Crankshaft for EJ25 Subaru WRX/ STi (BC5609/BC5629) Application::STi (BC5629) 1/8" NPT to -4AN adapter

1/8" NPT to -4AN adapter & 1/8" NPT to 3/16" barb adapter

(1) Valve with Sensor Harness

D-HN-25-5 Honda Civic Si 2017+ (No Bypass Module for Adaptive Damper System)

(2) Aluminum Mounting Brackets (STM-BKB-02+WRXR)

82 31502008199 E Cover T4 Inlet V-Band Outlet

BC Brian Crower Crankshaft for EJ25 Subaru WRX/ STi (BC5609/BC5629) Application::STi (BC5629) 1/8" NPT to -4AN adapterBrian 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