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The Tein aluminum spring seat lock (M56x2.0, left-handed thread) is a threaded locking nut used to secure spring seats on adjustable coilover assemblies. Finished in Tein green, it maintains spring perch position during ride-height and corner-weight adjustments and helps resist loosening under repeated suspension tuning. Intended for use where a reliable threaded lock is required on adjustable spring perches.
Tein Aluminum Spring Seat Lock M56X2.0 Left-Handed Thread Green
