BC Brian Crower Crankshaft for 4B11T Mitsubishi Evo X (BC5139) Spectra Made from solid 6061 aluminum

Made from solid 6061 aluminum with urethane bushings

9 liters) of added fluid capacity

Coupler Size for Turbo

to reduce restriction

Air intake temperatures play a huge role in power output

BC Brian Crower Crankshaft for 4B11T Mitsubishi Evo X (BC5139) Spectra Made from solid 6061 aluminumThe 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: