Porsche 911 Turbo 930 Wastegate Boost Spring 1.05 BAR (1976-1989) Drivetrain Same technology and quality as

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Porsche 911 Turbo 930 Wastegate Boost Spring 1.05 BAR (1976-1989) Drivetrain Same technology and quality asPorsche 911 Turbo 930 Turbo Wastegate Boost Spring. FEATURES: For: 1976 1994 Porsche 911 Turbo Carrera 930 964 965 Turbo A Simple Cost Effective Way Of Adding Reliable Power To Your Porsche 930 965 Turbo Elevates Maximum Boost Pressure To 1. 05 Bar (15. 23 Psi) OEM Stock Maximum Boost Pressure Is 0. 80 Bar (11. 60 Psi Made by Eibach Springs