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Performance Automatic 12" Converter AODE/4R70W Transmission

Performance Automatic PA45251
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Performance Automatic 12" Converter AODE/4R70W Transmission $493.70
12" Converter
  • AODE/4R70W Transmission
  • 2400 Stall
  • Lock-Up

  • Performance Automatic PA45251 Details

    12" Converters

    Performance Automatic has combned a true performance feel and value price to their 12" torque converters. These units feature modified internals to provide great off the line starts while retaining remarkable street ability. Fully balanced and tested these units provide a stall speed 400-600RPMs over stock configurations. Great product, even better price!


    Diameter (in.)
    Hardware Included
    Anti-Ballooning Plate
    Sold individually
    Manufacturer's Part Number:

    Racing torque converters are generally grouped by size (diameter) and stall speed. As the diameter of a torque converter decreases, the stall speed (RPM) goes up. Most factory torque converters are 12-13 inch in diameter and have a stall speed around 1600-1800 RPM. This promotes excellent fuel economy and drive-ability because they are specifically designed for these purposes. The problems arise when modifications are done to the fuel system, camshaft and other engine control systems. Smaller diameter converters are needed to provide more slip at idle. This allows engines with a lot of camshaft to idle better.

    As the torque converter and horsepower range is moved higher through the RPM range, the smaller torque converters with their higher stall speeds provide maximum torque multiplication where needed. Also the same torque converter will react differently when used behind different engines. Performance Automatic has endless converter combinations to make your car or truck perform at its utmost potential.

    PA45251 is rated 1.0 out of 5 by 1.
    Rated 1 out of 5 by from Bad torque converter. Bought a torque converter from this company. This company buys all their products through performance automatic purchased the transmission from performance automatic as well. 1100 miles later had to take the transmission and torque converter back out. The torque converter turbine bearing was already busted. Had to Send both products back to the performance automatic through the representing company. I will say this, this company was very understanding and customer service was excellent. bad product but this company stands behind their product very happy with them. Purchased the transmission through American muscle. Jeggs company and American muscle buy the equipment and parts through performance automatic.
    Date published: 2016-04-26
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    Some parts are not legal for use in California or other states with similar laws / regulations