NEW! Ford 6F50/55 & GM 6T70/75 Isolator Valve Spring

Ford 6F50/6F55 and first-generation GM 6T70/6T75 units may exhibit no line rise and/or line pressure instability due to a broken isolator valve spring. Recover hydraulic control and renew line pressure performance with Sonnax isolator valve spring 124740-16.

  • Shot-peened to reduce spring fatigue and eliminate premature failure
  • No special tools necessary