ATI Performance Products TH400 transmissions offer great performance for 400 c.i.d. or larger big blocks.Modifications and options include:* Fully blueprinted and equipped with high-flow lube circuits, increased torque capacity, and hard chrome oil rings* Sprags replaced with heavy-duty units* Clutch packs are assembled for individual applications* Compu-Flow valve body standard* Special low-gear sets for increased launch capability* Lightweight options available to upgrade the transmission. Rated up to 1,200 HP, Reverse Manual, Good for high HP cars up to 3200 lbs

  • Race Clutches and Steels
  • Blueprinted High Flow Front Pump
  • Heat-treated Stator Tube, pinned
  • Roller Bearings
  • ATI Reverse Manual Compu Flow Valve Body
  • ATI Severe Duty Alum Direct Drum One-year warranty on Drum Assembly
  • 300M Input Shaft with OEM steel drum
  • 300M Intermediate Shaft
  • Heavy Duty Steel Forward Clutch Hub
  • Heavy Duty Center Support machined for faster transbrake and bronze support bushing
  • Heavy Duty Clutch Packs
  • -6 AN Fittings (in Supercase units)
  • High Flow Filter
  • Deep Aluminum Cast Transmission Pan
  • 2.48 Low Gear-helical
  • SuperCase & Chevy Bell Housing pattern

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