BC Brian Crower EN40 Billet Crankshaft for 2JZ Toyota Supra (BC5308-90) Matrix Concepts MK4 MKIV Twin Turbo Front

MK4 MKIV Twin Turbo Front F: HB215S

continuous flow velocity taper of the tube decreases from 96 mm internal diameter to 70mm where it connects to the throttle body

The GSC Power-Division traditional style smooth exhaust valve guides for the K-Series Honda K20/K24

Fits with Boost Logic V10 twin turbo kits only

Our patented gauge technology allows the gauge to calibrate on every startup to compensate for altitude

BC Brian Crower EN40 Billet Crankshaft for 2JZ Toyota Supra (BC5308-90) Matrix Concepts MK4 MKIV Twin Turbo FrontFully CNC machined from EN40 billet and features a Micro Polish finish for increased oil shedding. This crank is designed for 2500+whp! Features Honda journal for aluminum rod clearance. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for ultimate performance. Fully profiled counterweights are designed for reduced windage through the crankcase creating less oil resistance for better rpm