ATI Performance Products, Inc®, is proud to announce that after two years in the making, the T350 SFI Certified SuperCase is finally here! Just like everything ATI makes, this new case is cast in America and machined in-house! The T350 SuperCase features many upgrades to meet the high performance demands of current racers from bracket racers on up to late model Factory Stock cars!

  • 356-T6 Permanent Mold Aluminum Casting meets SFI 4.1 - no shield or blanket required
  • CNC machined valve body passages yield extremely fast transbrake release and quicker shift times
  • Increased thickness extension housing and bell flange area to ward off breakage
  • Stronger internal lugs and more material to allow room for more clutches
  • Custom valve body passages can be made to order for builders with specific requirements
  • Band adjuster version for non-GM internal components
  • Retains OEM Governor cavity for auto shift applications
  • Also available with no Governor or forward band machine work 

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