Bosch Distributor Rotor - VW MK1/MK2 8v Lowering Springs Stable increases in boost over

Stable increases in boost over wastegate spring pressure of 200%+ for internal wastegate and 100% for external wastegates are common practice using our manual boost controllers

Nearly every precut order is custom manufactured specifically for you at time of ordering

3 Manual (1972-74)

Most likely your engine's diverter valve is to blame

Bosch Distributor Rotor - VW MK1/MK2 8v Lowering Springs Stable increases in boost overBosch Distributor Rotor for large shaft ignition distributors only. We recommend replacing both ignition cap and rotor every 30,000 miles for best performance and mileage. 4038 Fitment: VW MK1 Rabbit GTI Jetta Cabriolet Scirocco 8v 1975 1988 VW MK2 Golf Jetta 8v 1985 1987 (Non GTI GLI cars)