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          

Holley EFI GM F-Body T-56 Transmission Harness for Terminator X Max ECU   F-Body T-56 Transmission Harness for use with Terminator X Max ECU's on V3 Build 100, or Holley EFI V6 Build 300, or later.   F-Body T-56 Transmission Harness -...

Holley EFI GM T-56 Magnum Transmission Harness for Terminator X Max ECU  T-56 Magnum Transmission Harness for use with Terminator X Max ECU's on V3 Build 100, Holley EFI V6 Build 300, or later.   T-56 Magnum Transmission Harness - Terminated...

Boss Hog GM 6L80E Torque Converter - Night Stalker Series Stall Range: 200-280012 inch Core.Bolt Pattern: 11.125 inches35 Spline.1.703 inch Crank Pilot.Bolt Size: 3/8 X 16 TPI (GRADE 8 ONLY)No Anti-Balloon Plate. Converter Features: Made in...

Boss Hog GM 6L80E Torque Converter - 'Wild Boar' Outlaw Series Stall Range: 2,400-4,2009.6 inch Core.Bolt Pattern: 11.125 inches35 Spline.1.703 inch Crank Pilot.Bolt Size: 3/8 X 16 TPI (GRADE 8 ONLY)Anti-Balloon Plate. Converter Features: Made...

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...

Circle D Pro Series LS 6L80E 258mm Torque Converter  Pro Series Billet Torque ConverterConverter Diameter - 258mm - 10 1/4"   Available in stall speeds from 2800 - 3700 rpm Furnace Brazed  Hand TIG Welded...

Circle D Pro Series LS 6L80E 245mm Torque Converter    Pro Series Billet Torque Converter Converter Diameter - 245mm - 9 3/4"Available in stall speeds from 3200-4600 rpm Furnace Brazed  Hand TIG Welded  Torrington...

Circle D Pro Series 3600-3700 Stall Speed LS 6L80E 258mm Torque Converter  Pro Series Billet Torque ConverterConverter Diameter - 258mm - 10 1/4"   Available in stall speeds from 2800 - 3700 rpm Furnace...

Circle D Pro Series 3400-3600 Stall Speed LS 6L80E 258mm Torque Converter Pro Series Billet Torque ConverterConverter Diameter - 258mm - 10 1/4"   Available in stall speeds from 2800 - 3700 rpm Furnace...

Circle D Pro Series 3200-3400 Stall Speed LS 6L80E 258mm Torque Converter  Pro Series Billet Torque ConverterConverter Diameter - 258mm - 10 1/4"   Available in stall speeds from 2800 - 3700 rpm Furnace...