Mitsubishi EVO 4-8 BC Valve Spring / Retainer Kit Boost Controller The Optional 4 bolt Exit

The Optional 4 bolt Exit or V Band style GT30R turbine housings are made out of ductile Ni-Resist iron (has a nickel content of about 38%)

Every kit shipped includes these following accessories in addition to the ready to install turbo:

75 CDTi etc

This translates into an increase in throttle response

0" OD pipe

Mitsubishi EVO 4-8 BC Valve Spring / Retainer Kit Boost Controller The Optional 4 bolt ExitDesigned for high rpm, BC valve springs are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. BC titanium retainers are CNC machined from 6AL4V round bar titanium to exacting tolerances. Spring Pressure: BC1100 Seat: 1. 550" @ 95 lbs Open: 1. 000" @ 235 lbs Coil Bind: 0. 935" (no machine work required)