Upgraded Turbo Wastegate Spring | Porsche 911 / 964 Turbo 1975 – 94

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Improved Turbo Wastegate Spring | Porsche 911 / 964 Turbo 1975–94

High-performance wastegate spring manufactured in Germany to increase boost pressure to approx. 0.9 - 1.0 bar. (References: 93012306012, 93012306012S, 96412306020). Allows for a power increase of up to 40 hp. We recommend replacing the wastegate diaphragm at the same time.

  • Fitment: Porsche 911 Turbo (1975-89), 964 Turbo 3.3L/3.6L (1991-94)
  • Benefit: Improved responsiveness and higher peak power
Part Number: 98403

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