Initially the valve springs begin to surge, becoming very sticky under loads. APPLICATION & PURPOSE.
Tomei Valve Spring Seat Set 0.2mm For Subaru WRX/STI EJ20/EJ25
Tomei Valve Spring Seat Set 0.3mm For Subaru WRX/STI EJ20/EJ25
Tomei Valve Spring Seat Set 0.2mm For Nissan RB20DET RB25DET RB26DETT
Tomei Valve Spring Seat Set 0.3mm For Nissan SR20DET
Tomei Valve Spring Seat Set 0.2mm For Mitsubishi EVO 1-9 4G63
Tomei Valve Spring Seat Set 0.3mm For Nissan RB20DET RB25DET RB26DETT
