Transmissions & Drivetrain

Circle D Pro Series LT 4L60 258mm Torque Converter    Pro Series Billet Torque Converter Made to Fit the GM 4L60E LT Style Transmission          Converter Diameter - 258mm - 10 1/4" Available in stall speeds...

Circle D Pro Series LT 4L60 265mm Torque Converter    Pro Series Billet Torque Converter Converter Diameter - 265mm - 10 1/2" Available in stall speeds from 2500 - 3400 rpm Furnace Brazed  Hand TIG Welded  Torrington...

Circle D Pro Series LS 4L60 258mm Torque Converter   Pro Series Billet Torque Converter Converter Diameter - 258mm - 10 1/4" Available in stall speeds from 2800 - 3700 rpm Furnace Brazed  Hand TIG Welded Turbine...

Hays 2400 - 2800 Stall 4L60E 3/4 Race Converter 97-1G24Q (non LS) Features: 3/4 Race series converters are built, tested, and proven to support up to 650 HP. State of the art Spray Welding process is used in select areas. Spray Welding provides clean,...

Hays Chevy Camaro/Corvette Pedal Height Adjuster Kit 82-110 2010-2018 Camaro, 2005-2013 Corvette, Black anodized, For hydraulic actuated clutches.   Hays Performance Drivetrain is proud to now offer Hydraulic Pedal Height Adjuster Kits. These...

Holley GM LS Engine 6-Bolt to Tremec T-56/Magnum Transmission Installation Kit 319-510 Everything you need to connect a 6-Bolt LS Engine to a Tremec T-56 or Magnum Transmission These Holley Transmission Installation Kits come complete with everything...

Holley GM LS Engine 6-Bolt to Tremec TKX/TKO Transmission Installation Kit 319-504 Contains everything you need to connect a 6-Bolt LS Engine to a Tremec TKX or TKO Transmission These Holley Transmission Installation Kits come complete with everything...

Holley GM LS T-56 Clutch Installation Kit 6 Bolt 319-575 This Kit includes all the hardware and components needed for a complete clutch install on a 6-bolt crank LS engine using a T-56 transmission. A 12-inch organic disc with 6 spring helix sprung hub...

Holley Sniper 1 EFI Transmission Control Kit  For Sniper 1 based applications (Handheld not included) The Sniper Transmission Controller (STC) is designed for common GM and Ford electronic 4-speed transmissions. Three part numbers cover a complete...

Holley Sniper 2 EFI Transmission Control Kit  For Sniper 2 based applications (Handheld not included) The Sniper Transmission Controller (STC) is designed for common GM and Ford electronic 4-speed transmissions. Three part numbers cover a complete...

Holley Sniper EFI Transmission Control Kit w/ 3.5" Handheld - For GM Carbureted Applications  For Carbureted applications - includes 3.5" Handheld. The Sniper Transmission Controller (STC) is designed for common GM and Ford electronic 4-speed...

Holley Sniper EFI Transmission Control Service Unit GM 4L60/70/80E  Service Part Only (Handheld not included) The Sniper Transmission Controller (STC) is designed for common GM and Ford electronic 4-speed transmissions. Three part numbers cover a...