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Automatic Transmission, TH400, Full Manual Valve Body, ATI SuperCase, Trans-brake, Chevy, Reverse, Each
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Estimated Ship Date: Oct 19, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
ATI401603SC
Part Type:
Product Line:
Summit Racing Part Number:
ATI-401603SC
UPC:
800157001611
Number of Gears:
3
Bellhousing Bolt Pattern Manufacturer:
Chevy
Transmission Shift Pattern:
Reverse
Valve Body Style:
Full manual
Transmission Advertised Horsepower Rating:
1,500
Torque Converter Included:
No
Flexplate Included:
No
Transmission Controller Included:
No
Wiring Harness Included:
No
Transmission Cooler Included:
No
Trans-Brake Included:
Yes
Lockup Compatible:
No
Transmission Pan Style:
Deep
Transmission Pan Material:
Aluminum
Transmission Pan Finish:
Natural
Tailshaft Length (in.):
4.000 in.
Yoke Style:
Slip-on
Input Spline Quantity:
30
Input Shaft Material:
Vasco
First Gear Ratio (Automatic Transmissions):
2.48
Clutch Hub:
Steel
Transmission Case Style:
Aftermarket
Transmission Case Material:
Aluminum
Transmission Case Finish:
Natural
Transmission Shield Built In:
Yes
Flexplate Shield Built In:
Yes
Fluid Fill Location:
Case
Transmission Fluid Included:
No
Dipstick Included:
No
SFI Rating:
SFI 4.1/ 30.1
Remanufactured:
Yes
Quantity:
Sold individually.
Notes:
Includes ATI SuperCase transmission case.
ATI TH400 Transmissions
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
Applications
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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