45mm High Pressure Spring kit

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45mm High Pressure Spring kit, please call or email prior to purchasing This includes 3 springs, When used in the 45mm wastegate you should achieve these boost levels depending on the variation of boost vs exhaust backpressure pre-turbine. Because we are unable to determine every combinations pressure ratios we have put a range on the ratings. Silver: 8.25psi - 10.5psi Typical tested average 9psi Green: 12psi - 16psi Typical tested average 14.5psi Orange: 18psi - 22.5psi Typical tested average 20.5psi Show more