Turbosmart Gen4 / IWG WG38/40/45/50L 3PSI INNER SPRING - BROWN/BLACK TS-0505-2001 Turbocharger Accessories_Intercooler The zero-offset butterfly valve is

The zero-offset butterfly valve is subjected to exhaust drive pressure equally on both halves of the valve

Part #: PH 4420     P/Steering: N/A Gasket: - Air Con: N/A Primary Pipe: 1½" (38mm) Oxy Sen: N/A Secondary Pipe: - E

06 A/R ratio for balanced spool and top-end power

high performing 50mm external wastegate designed for control strategies that actively bias the top chamber with high pressure for large boost bandwidth operation

Turbosmart Gen4 / IWG WG38/40/45/50L 3PSI INNER SPRING - BROWN/BLACK TS-0505-2001 Turbocharger Accessories_Intercooler The zero-offset butterfly valve isSpring Suit Turbosmart Ultra Gate38 (38mm), Comp Gate40 (40mm), Hyper Gate45 (45mm) External Wastegates, and Internal Wastegate Actuators (IWG 75).