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Wastegate spring for Audi external wastegates which came on Audi turbo cars from 1980-1995.5.
Gives 1.9BAR absolute or 13.5psi boost pressure when installed in wastegate, perfect for increasing the base boost pressure and eliminating wastegate creep.
Will increase boost response noticeably over stock spring
NOTE: will function with most chipsets on the market with overboost cutoff's below 2.0 BAR.