ATI Performance® 705508 - PCS Simple Shift™ Transmission Controller Kit

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Vehicle Fitment

Aston MartinDB7 1997-1998
CadillacEscalade 2002-2003
ChevyAvalanche 2002-2006
Blazer 1994
CK Pickup 1993-2002
Express 1996-2015
G-Series 1993-1996
P-Series 1993-1999
Silverado 1500 2001-2007
Silverado 2500 1999-2007
Silverado 3500 2001-2007
Suburban 1993-2007
Tahoe 1995-1999
GMCCK Pickup 1993-2002
G-Series 1993-1996
P-Series 1993-1999
Savana 1996-2009
Sierra 1500 2001-2007
Sierra 2500 1999-2007
Sierra 3500 2001-2007
Suburban 1993-1999
Yukon 1993-1998, 2000-2007
Yukon Denali 1999, 2001-2003
HummerH1 1994-2004
JaguarXJ-Type 1993-1996

Product Details

PCS Simple Shift™ Transmission Controller Kit (705508) by ATI Performance®. Simple Shift is the latest breakthrough in electronic overdrive transmission control. No laptops or hand-held tuning devices are required to completely control shift points, shift firmness, and torque convertor lockup. All parameters are simply adjusted with easy-to-use dials on the end of the Simple Shift unit.


Screen Control: Button Control


  • Simple overdrive transmission control
  • There are no need for hand-held tuning devices
  • All parameters are simply adjusted
  • Complete shifts at your fingertips
  • Diagnostic codes, TPS status, and TPS calibration signals are all communicated through a combination of LED light flashes
  • It is a transmission of confidence
  • Shift Points - raise or lower your transmission shifts
  • Shift Firmness - your driving style
  • Torque Converter Lockup - lockup sooner for better fuel economy

Want a little firmer shift? Dial it up a notch! Do you want it to shift at a lower rpm? Dial it down! Complete control of how and when your transmission shifts is at your fingertips. Simple Shift also comes with complete diagnostic capabilities. Diagnostic codes, current gear, TCC status, and TPS calibration are all communicated via a combination of LED light flashes to help you diagnose exactly what could be wrong with your transmission. The one thing you need to be able to control an electronic overdrive transmission with confidence is simple.

All Simple Shift kits include a complete wiring harness tailored to your specific transmission, not a universal harness that fits most transmissions leaving you with yards of extra wires that leave you confused and frustrated. Each connector on the harness is clearly labeled to make the installation very easy to accomplish in your garage or workshop. Initial setup is made easy by the self-calibrating throttle feature of the Simple Shift ATI offers the Simple Shift for the 4L60E & 4L65E Transmissions.

ATI Performance Products is a family owned and operated company with over 50 years of experience in manufacturing top-grade race products, including competition transmissions, flexplates, adapter kits and internal transmission components. Located in Maryland, ATI Performance® produces a variety of true track-tested and proven products manufactured under the strictest quality control in one of the most advanced manufacturing facilities in the industry. ATI proudly holds over a dozen of U.S. Government patents.

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ATI Performance® 705508 - PCS Simple Shift™ Transmission Controller Kit

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