BC Brian Crower Crankshaft for EJ25 Subaru WRX/ STi (BC5609/BC5629) Application::STi (BC5629) OEM Mitsubishi factory replacement 4-ply

OEM Mitsubishi factory replacement 4-ply copper exhaust manifold to head gasket fits all 4G63 1G/2G DSM

STM resonated stainless test pipe

Slotted OEM Hats 52370

1995-2005 Dodge Neon / SRT-4

BC Brian Crower Crankshaft for EJ25 Subaru WRX/ STi (BC5609/BC5629) Application::STi (BC5629) OEM Mitsubishi factory replacement 4-plyBrian 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