Made by Tial and used to change the spring pressure on the Tial BOV to affect the BOV response tuning to reduce comprssor surge. Different spring levels affect amount of vacuum required on each engine to open the BOV on throttle release.

More From This Category

TURBOSMART IWG75 Wastegate Actuator, For BorgWarner EFR B1 Twin Scroll, 14PSI, Black, Each

TURBOSMART IWG75 Wastegate Actuator, For BorgWarner EFR B1 Twin Scroll, 14PSI, Black, Each

$202.86

TURBOSMART IWG75 Wastegate Actuator, For Subaru WRX 2009-2014 & WRX STI 04-Current, 7 PSI, Black, Each

TURBOSMART IWG75 Wastegate Actuator, For Subaru WRX 2009-2014 & WRX STI 04-Current, 7 PSI, Black, Each

$232.45

TURBOSMART GenV Actuator Collar Tool, For WG38/40, Each

TURBOSMART GenV Actuator Collar Tool, For WG38/40, Each

$27.85

TURBOSMART Gen4 HP Wastegate Spring, 30 PSI, Outer, Brown/Red, For WG38/40/45/50L, Each

TURBOSMART Gen4 HP Wastegate Spring, 30 PSI, Outer, Brown/Red, For WG38/40/45/50L, Each

$55.75

TURBOSMART Gen4 WG45 Top Cap Replacement, Black, Each

TURBOSMART Gen4 WG45 Top Cap Replacement, Black, Each

$92.95

TURBOSMART IWG75 Wastegate Actuator, For Mazda MPS, RHD vehicles only, 22 PSI, Black, Each

TURBOSMART IWG75 Wastegate Actuator, For Mazda MPS, RHD vehicles only, 22 PSI, Black, Each

$232.45