All the horsepower in the world from tuners, injectors and diesel performance upgrades won’t do you a lick of good if your transmission can’t handle the power. Whether you’re looking to upgrade your transmission to handle increased horsepower for racing or the street, or you just want to make sure your transmission performs optimally, Parley’s Diesel Performance has the transmission performance upgrades you’re looking for. We offer a full line of diesel transmission parts including:

  • Differential Covers & Transmission Pans from Mag-Hytec and AFE
  • Clutches from South Bend Clutch and Centerforce Clutch
  • Complete Performance Transmissions
  • Valve Bodies
  • Electronic Shift Enhancers and Transmission Controllers from TS Performance and Bully Dog
  • Billet Flex Plates
  • Flywheels
  • Torque Converters from Banks Engineering
  • Flex Plates from ATS Diesel Performance

We understand that you invested a large amount of money when you purchased your diesel. Upgrading your diesel the right way isn’t a cheap undertaking either. Parleys Diesel Performance offers you the insurance you need with transmission performance parts from all the top diesel products manufacturers.