Seller notes

This is (1) spring for Precision WastegatesSmall Natural SpringPrecision's wastegate springs will cause different wastegates to have different pressures. The following is a list to show how this wastegate spring will effect each of Precision's wastegates.39mm wastegate = 1.3psi46mm wastegate = 1.5psi66mm wastegate = .9psiSprings fit 39mm, 46mm, and 66mm wastegatesPrice per Spring...

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