Welcome To JMS Transmissions

• Silicon Valley's Electronic Automatic Transmission Experts.
  
• Specializing in Late Model Electronic Overdrives
  
• GM Transmissions
• 4L80E, 4L60E, 700R4, TH400, TH350
  
• Ford Transmissions
• E4OD, AODE, 4R55E, A4LD C6
  
• Chrysler And Dodge Transmissions
• A604, A606, A500, A518 727.
  
• Maintenance service is now available for all commercial fleet customers.