Transmissions & Drivetrain

HP Tuners CORE ECU I/O Expansion Harness COR-HAR-005 This harness provides a flying lead solution to customers who want to add additional I/O to their install. Easily wire-in extra sensors, cooling fans, electric pumps, and more.

HP Tuners GM 4L60/4L80 Transmission Harness COR-HAR-004          

TCI Street Fighter 6L80E Torque Converter 242970 - Billet/Forged Steel Front  For 2006-12 GM 6180E The strength and reliability of TCI® StreetFighter® Torque Converters are now available for GM6L80E applications, including vehicles like...

HP Tuners PROLINK+ for MPVI2+ and MPVI3 Designed specifically for MPVI2+ and MPVI3, the PROLINK+ cable allows professional users to input 2x analog signals (from a wideband sensor, map sensor, boost pressure sensor etc.) and 1x CAN bus signal...

HP Tuners MPVI3 VCM Suite Built for enthusiasts and professionals – Introducing MPVI3 by HP Tuners, the fastest and most sophisticated OBDII interface device to date. Now standard with Pro Feature Set (PROLINK+ cable sold...

TCI GM LS 6L80E Flexplate 399757 Durability at high RPM can be compromised by an inferior flexplate. In order to prevent this common failure in performance applications utilizing GM 6L80 transmissions, such as 2010-Current Chevrolet Camaros and Pontiac...

TCI Heavy Duty Billet LS Flexplate 399853 Heavy-duty billet flexplates from TCI are like no other option on the market. This SFI 29.2 certified, one-piece LS version is designed for GM Gen III and Gen IV engines. It is made from a CNC-machined 4140...

TCI One-Piece Lightweight Machined GM LT1/LT4 Flexplate 399860LW Designed for high-RPM GM LT1/LT4 engines, this SFI 29.2 certified 1-piece lightweight flexplate is made from 4140 forged steel and features a hobbed-on ring gear and robotic tig-welded...

TCI 4L80E/4L85E Transmission Filler Tube With Dipstick 743805  This filler tube fits 4L80E/4L85E transmissions and features a locking-style stick. Finished in gold dichromate.

TCI Super StreetFighter 1997-06 4L80E Transmission 271150  The TCI StreetFighter transmission is tough enough to withstand the rigors of even the toughest street machines. Extreme performance clutches and nitrided steel plates for enhanced...

TCI Super Street Fighter 4L60E/4L65E Lock-Up Torque Converter 242932 Fits 1998-02 4L60E F-Body LS1 Applications; 1999-06 4L60E/4L65E Trucks w/ 4.8, 5.3, 6.0 Engines. Will not fit 1997-05 Corvette.  Designed with the extreme high performance...

TCI StreetFighter Transmission 2000-2006 LS Truck 371016 Automatic Transmission, Forward Shift Pattern, Automatic/Manual Valve Body, Chevy, 4L60E, RWD, Each