
GSC Power Division Chromoly CNC spring seat kit with 5756 springs comes as a set of 16 pieces for Subaru and Scion FA20 engines. The kit pairs machined chromoly spring seats with springs to refresh valve spring assembly height and operation during engine rebuilds or valve-train upgrades. It’s supplied to support consistent seat geometry and reliable spring placement in FA20 applications.
GSC P-D Subaru / Scion FA20 Chromoly CNC Spring Seat w/5756 Spring Kit - Set of 16