GSC Power Division 4G63T .035" Over OEM Chromoly CNC Spring Seat (Single)

The GSC4041 CNC turned Chromoly valve spring seats are meant for the 4G63 platforms pushing to the absolute limits, with an additional .035" built in, the need for shims and potential wrong stacking of shims is eliminated when higher spring seat pressure is required. 

Sold as a set of 16