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Performance Automatic 574615 TH400 Torque Converter, 2600-3000 Stall
Performance Automatic 574615 TH400 Torque Converter, 2600-3000 Stall

Performance Automatic 574615 TH400 Torque Converter, 2600-3000 Stall

TH400, 30 Input Spline Quantity, 11" Diameter, 2600-3000 Stall Speed (RPM)

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Performance Automatic 574615 TH400 Torque Converter, 2600-3000 Stall
Performance Automatic 574615 TH400 Torque Converter, 2600-3000 Stall
Performance Automatic 574615 TH400 Torque Converter, 2600-3000 Stall
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Performance Automatic 574615 TH400 Torque Converter, 2600-3000 Stall
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Part # 574615
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Details

Input Spline Quantity:
30
Diameter:
11"
Stall Speed (RPM):
2600-3000
Bolt Circle Diameter:
11.5"
MFG. Part #:
574615
Sold in Quantity:
Each

Info

Speedway Motors and Performance Automatic have teamed up to provide true performance and streetability in a value priced torque converter. Fully balanced and tested, these converters provide a stall speed gain of 400-600 RPM over stock converters. You’ll get great starts off the line and everyday drivability in a direct bolt-in replacement. 

Our Speedway-exclusive Performance Automatic torque converters overcome problems with upgraded engines paired with stock 12-13” converters, which idle at a leisurely 1600-1800 RPM. Smaller diameter torque converters provide more slip at idle, and allow your high-horsepower engine to idle better. These torque converters handle increased horsepower and RPMs more effectively, giving you maximum torque multiplication when it’s needed. 

  • 11.5" bolt pattern
  • 11" Diameter
  • 30 Spline
  • TH400 transmission
  • 2600-3000 RPM stall

Instruction Sheet

Notes

All advertised stall ranges will vary depending on the engine setup, vehicle weight, and gear ratios. If your car is heavier than the range that's advertised, stall speed will be higher. If the car is lighter, stall speed will be at a lower RPM. To learn more about choosing the right torque converter, check out this tech article from our in house tech experts!

Important Messages:

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations

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Reviews

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Videos & Articles
  • Follow along as Jeff installs an early 700R4 transmission for the big block in his 1967 Chevelle. See how this unit is upgraded and converted to a later 30 spline style.
  • Learn how to convert an engine using a Carbureted LS Conversion Kit, along with tips for a smooth install. Read more on the manifold and timing control module, which comes with an MSD ignition control box and wiring harness.
  • Learn how to select a torque converter. Read up on expert torque converter recommendations and learn how to choose the right stall for your application.

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