ATO HD/SHD 700R-4 Street Rod Automatic Transmission
Built for the Street Rodder that needs an Overdrive Transmission with Durability and
Performance in mind. This Transmission is built specifically to your cars specification
so we can build in the Correct Shift Timing and Shift Firmness. All Transmissions and
Converters are Built to ATO Performance Application Form.





4L60E / 700R4 Parts
5 Pinion forward planetary needle bearing thrust reaction hub and Heavy Duty drive steel.





ATO HD 4L65E 4WD and 2WD Automatic Transmission
Built for the every day street driving and towing. The HD 4L65E is provided with the
following components. Raybestos Frictions, Hardened Steel Pump, Vane Support Rings,
New 10 Vane Pump Rotor and Vanes, .500 Pressure Boost Valve, New Bushings, Beast
HD Drive Shell, New Needle Trust Bearings, Vett Intermediate Servo, Alto Wide 2-5/8"
Intermediate Band, New Front Reverse Input Drum, New Front and Rear Sprags, New
Internal Wire Harness, New Manifold Pressure Switch, New Shift Solenoids, New EPC
Pressure Control Solenoid, New 3/2 and Lockup Control Solenoids, PWM Solenoid,
All New Gaskets And Seals.




ATO SHD-EX 4L65E 4WD and 2WD Automatic Transmission
Built For Big Torque Big Horsepower Turbo Charged and Super Charged Small Blocks.
The SHD 4L65E is provided with the following components. Raybestos Frictions,
New Pump Stator Shaft, Billet Steel 10 Vane Pump Rotor, Hardened Steel Pump Support Vane
Rings, .500 Pressure Boost Valve, New Bushings, HD Beast Drive Shell, Z-Pac 3rd Clutch Kit,
New Needle Thrust Bearings, Vett Intermediate Servo and Billet Aluminum Overdrive Piston,
Alto 2''5/8 Wide Intermeatiate Band, New Front Reverse Input Drum, New Front and Rear Sprags,
New Internal Wire Harness, Manifold Pressure Switch, Shift Solenoids, EPC Solenoid, 3/2 and
Lockup Control Solenoids, PWM Solenoid, All Gaskets and Seals, Hardened Steel Input Shaft and
Steel Support Ring, Billet Steel Output Shaft, New Filter.





ATO HD/SHD Turbo 350 Automatic Transmission
Built for Street Rod Pro Street and Competition. ATO builds each 350 to your
application to get the Maximum Performance and Longevity.

ATO Offers the TH350 competition in
• Stage 1- full manual forward pattern valve body.
• Stage 2- full manual reverse pattern valve body.
• Stage 3- full manual protree reverse pattern valve body.
All other billet shafts drums and aluminum oil pans are optional.




ATO STAGE 1-SHD 4X4 4L65E Automatic Transmission
• 4140 Billet Steel 10 Vane Heat Treated and Stress Relieved Pump Rotor
• Hardened Steel Pump Vane Rings
• .0500 Boost Valve and Sleeve
• 3-1/2" Red Line Intermediate/Overdrive Band





TH400 Billet Aluminum Forward Drum and Billet Steel Input Shaft
• Billet T6 Aluminum Drum
• Precision Machined Heat Treated Steel Input Shaft
• Spline to Drum area increased by 56% over stock O.E.M.
• 50% Lighter then O.E.M.
• Drum with Shaft 4.63 lb




TH400 Combo Set
Billet Aluminum Forward and Direct Clutch Drum Set

• Billet Apply Piston
• 5 Intermediate Frictions, Steels and Pressure Plate
• 1/4 Locking dowels on Inner Race
• Steel Inserts for Sealing Rings on Forward and Direct Drums
• Billet Steel Sprag Race Inner and Outer
• Billet Steel Input Shaft




TH400 Aluminum Direct Drum with XL Sprag
The Lite Weight Drum is designed with a Billet Steel Outer and Inner Sprag Race and
Large Heavy Duty 36 Element Sprag. Also includes a Steel Inner Sleeve for Improved
Center Support to Drum sealing. Drum and Sprag weight 6.13 lbs, 45% less then O.E.M.

Drum Kit includes:
1- Billet Aluminum Clutch Piston
3- Sealing Rings
5- Intermediate Frictions and Seals
1- Intermediate Pressure Plate
1- 36 Element Sprag
1- Billet Aluminum Apply Piston




Competition Off-Road, Pro Street, Drag Race ATO Turbo Transmissions
are built specifically for your needs.





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