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Automatic Transmission, Circlematic, Reverse Pattern, Full Manual, 1.82:1, Clutchless, Low Gear Only, Chevy Powerglide, Each
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Estimated Ship Date: Dec 28, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
742020
Part Type:
Product Line:
Summit Racing Part Number:
TCI-742020
Item Number:
1031396
UPC:
788120037501
Number of Gears:
2
Bellhousing Bolt Pattern Manufacturer:
Chevy
Transmission Shift Pattern:
Reverse
Valve Body Style:
Full manual
Torque Converter Included:
No
Flexplate Included:
No
Transmission Controller Included:
No
Wiring Harness Included:
No
Transmission Cooler Included:
No
Trans-Brake Included:
No
Lockup Compatible:
No
Transmission Pan Material:
Aluminum
Tailshaft Length (in.):
11.250 in.
Yoke Style:
Slip-on
Input Spline Quantity:
17
First Gear Ratio (Automatic Transmissions):
1.82
Clutch Hub:
Steel
Transmission Case Style:
OEM
Transmission Case Material:
Aluminum
Transmission Case Finish:
Natural
Transmission Shield Built In:
No
Flexplate Shield Built In:
No
Fluid Fill Location:
Case
Transmission Fluid Included:
No
Dipstick Included:
Yes
Remanufactured:
No
Quantity:
Sold individually.
Notes:
Clutchless style. Low gear only.
TCI Circlematic Transmissions
TCI Circlematic automatic transmissions are great for oval track use. However, despite the sound of their name, they also can be used for performance marine applications. All transmissions feature high performance clutches, a steel clutch hub, and a modified planetary gear set that will work with the latest rear suspensions. Many specialty combinations are available.
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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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