BC Brian Crower Crankshaft for 4B11T Mitsubishi Evo X (BC5139) Spectra Coupler Size for Turbo

Coupler Size for Turbo

to reduce restriction

It's not mandatory

Air intake temperatures play a huge role in power output

• MAY not be compatible with some aftermarket intakes

BC Brian Crower Crankshaft for 4B11T Mitsubishi Evo X (BC5139) Spectra Coupler Size for TurboThe Brian Crower crankshaft is made from 4340 billet. Each crankshaft undergoes stress relief, shot peening, magna flux 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 for improved RPM potential. Vehicle Fitment: 2008 2015 Mitsubishi Lancer Evolution X (4B11T CZ4A Evo X GSR and MR models) Purchase Includes: