Transmissions & Drivetrain

Hooker Blackheart 1970-81 F-Body LS Swap Transmission Crossmember - 12614HKR   1970-1981 2nd Gen F-body LS Swap Transmission Crossmember - 4L60 (multi-piece case only) /4L65 / 4L70 / 4L75 Automatic Transmissions LS swap 4L60...

Hooker 1968-72 GM A-Body Convertible/El Camino LS Swap Transmission Crossmember - 71222021HKR 1968-1972 GM A-Body Convertible/El Camino LS Swap Transmission Crossmember Hooker BlackHeart has quickly become the leader in LS engine swaps and we are...

Hooker 1964-67 GM A-Body LS Swap Transmission Crossmember - 71222008HKR 1964-1967 GM A-Body LS Swap Transmission Crossmember Hooker BlackHeart has quickly become the leader in LS engine swaps and we are excited to announce new products for the...

Hooker 1984-92 GM F-Body LS Swap Transmission Crossmember - 71222005HKR  1984-1992 GM F-Body LS Swap T56/T56 Magnum/4L60-4L70*/4L80-4L85*/TH400*/2004R* Transmission Crossmember This crossmember is designed as part of a fully-engineered LS swap...

Hooker 1968-72 GM A-Body LS Swap Transmission Crossmember T56 - 71222007HKR 1968-1972 GM A-Body LS Swap Transmission Crossmember At the heart of any performance vehicle is the exhaust system. Hooker with its classic heart logo has been at the core of...

Circle D Pro Series LS PG/350/400 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 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 provide you...

Circle D Pro Series 3800-4000 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 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 street/track cars...

Circle D Pro Series 5800-6000 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...

Circle D Pro Series 5600-5800 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...

Circle D Pro Series 5400-5600 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...