Turbosmart Borg warner wastegate (B1)
Fits Borg Warner B1 frame turbochargers:
Do you have any of the following frames (B2) another Turbosmart wastgate has to be used:
See pictures for measurements and spring pressure chart.
For twin scroll turbine housings
Turbosmart internal wastegate. Provides faster turbo response and smoother regulation. This wastegate holds very high quality and is suitable for most turbochargers with internal wastegate where you want to upgrade in conjunction with tuning, reliability or if original wastegate fail to meet the new higher boost pressure.
This wastegate has an extra connection underneath the diaphragm to work with back pressure for better control.