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HPP-19150 – Aftermarket HD Powerglide Reverse Piston Return Springs Set

The HPP-19150 is a set of 17 aftermarket HD Powerglide reverse piston return springs that are designed to help improved the reverse piston release in trans brake applications.

These are the same springs that we use in our inhouse builds, when combined with a Sonnax 28709 spring retainer, the combination has a proven track record of providing a fast / consistent reverse piston release.