Transmissions & Drivetrain

Hooker Blackheart 1982-04 GM S-10/Sonoma 2WD LS Swap Transmission Crossmember 71222018HKR Hooker continues to set the standard of performance with the Blackheart line of engine swap system components. We are proud to offer these three engine swap...

Hooker Blackheart 1982-04 GM S-10/Sonoma 2WD LS Swap Transmission Crossmember 71222019HKR Hooker continues to set the standard of performance with the Blackheart line of engine swap system components. We are proud to offer these three engine swap...

Speed Engineering LS 2000-06 Silverado/Sierra 4L80E 2WD Transmission Conversion Crossmember Red - 33-1022-R Suspension Engineering suspension and chassis components are designed and tested with the purpose of creating a great fitting, strong replacement...

Speed Engineering LS 2000-06 Silverado/Sierra 4L80E 2WD Satin Black Transmission Conversion Crossmember - 33-1022-B Suspension Engineering suspension and chassis components are designed and tested with the purpose of creating a great fitting, strong...

Circle D Specialties LS/LT Billet Flexplate 8 Bolt - FLEX-BS-GM-LST-8 The perfect addition to your high-end LS/LT build. Features are as follows: SFI 29.2 Certification - Highest Rating Possible 1-Piece Billet Steel Design 6 Bolt or 8 Bolt Crank...

Circle D Specialties LS/Gen V LT Billet Flexplate 6 Bolt - FLEX-BS-GM-LST-6 The perfect addition to your high-end LS build. Features are as follows: SFI 29.2 Certification - Highest Rating Possible 1-Piece Billet Steel Design 6 Bolt or 8 Bolt Crank...

Circle D Pro Series 3600-3800 Stall Speed LS PG/350/400 258mm Torque Converter       Running an LS or Gen-V LT swap in front of a Powerglide, TH350, or TH400 transmission?  This is the right converter for you!  The 258mm...

Circle D Pro Series 3400-3600 Stall Speed LS PG/350/400 258mm Torque Converter      Running an LS or Gen-V LT swap in front of a Powerglide, TH350, or TH400 transmission?  This is the right converter for you!  The 258mm...

Circle D Pro Series 3200-3400 Stall Speed LS PG/350/400 258mm Torque Converter     Running an LS or Gen-V LT swap in front of a Powerglide, TH350, or TH400 transmission?  This is the right converter for you!  The 258mm option...

Circle D Pro Series 3000-3200 Stall Speed LS PG/350/400 258mm Torque Converter    Running an LS or Gen-V LT swap in front of a Powerglide, TH350, or TH400 transmission?  This is the right converter for you!  The 258mm option will...

Circle D Pro Series 2800-3000 Stall Speed LS PG/350/400 258mm Torque Converter    Running an LS or Gen-V LT swap in front of a Powerglide, TH350, or TH400 transmission?  This is the right converter for you!  The 258mm option will...

Circle D Pro Series 4000-4200 Stall Speed LS PG/350/400 252mm Torque Converter     Converter Diameter - 252mm 10" Available in stall speeds from 3200-6000 rpm. This is Circle D's most durable and adjustable option for the high hp...