Transmissions & Drivetrain

Circle D Pro Series LS 4L80E 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...

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...

Hurst Quarter Stick Shifter Neutral Safety Switch 2488600 Kit includes switch and mounting hardware. Easy installation for all existing Hurst® Quarter Stick shifters. Newer Quarter Stick® and Pistol Grip Quarter Stick shifters feature the switch...

Hurst Shifter Knob 3-Speed 3/8-16 Threads 1637624 Solid high gloss, high strength plastic. 1-7/8 in. diameter with engraved inlaid shift pattern and molded-in brass thread insert. Complete with jam nut. Fits manual transmission sticks with with 3 speed,...

Speed Engineering LS 2007-13 Silverado/Sierra 4L80E Conversion Crossmember 2WD Red 33-1023-RD Suspension Engineering suspension and chassis components are designed and tested with the purpose of creating a great fitting, strong replacement product at an...

Speed Engineering LS Swap 1988-98 C1500 Silverado/Sierra Crossmember Black 33-1072-BK Suspension Engineering suspension and chassis components are designed and tested with the purpose of creating a great fitting, strong replacement product at an...

GM 4L60E/4L65E BOLT-TOGETHER CONVERTER­­ (2800-2900 RPM) Bolt-Together Billet Converter w/ Patent-Pending Triple-Disc Lock-Up Clutch Building off the success of their bolt-together torque converters for GM 6L80 transmissions, TCI®...

TCI Diablo Shifter With Cover 620001 The TCI Diablo Shifter is one of the most versatile shifters on the market today. This new street/race shifter includes all components needed for installation in nearly every GM application...

TCI StreetFighter TH350/TH400 Torque Converter w/ LS1 Bolt Pattern 241005 TCI StreetFighter Torque converters are designed for street/strip applications allowing you to take advantage of horsepower gains found in higher RPM ranges and provides up to...

B&M QuickSilver Automatic Shifter Knob 1/2-inch x 20 UNF threads 81670 This B&M replacement shift knob fits all B&M QuickSilver automatic shifters and features a high quality black chrome PVD finish. PVD (Physical Vapor Deposition) Coating...

Circle D 10L90 Torque Converter HP Series 3600-3800 Stall Speed           This is an excellent choice for your 2017+ Camaro ZL1 and 2018+ GM 10L90 equipped vehicle! This converter is based off the original factory...

Circle D HP Series 2400-2600 Stall Speed LS 4L60 300mm Torque Converter  Great option for Daily Driver vehicle looking for a little more stall. Will drive 99% stock under light throttle. Converter diameter: 300mm - 12" Stall speeds 1800-3200Hand...