1970-74 Dodge, Plymouth E-Body; Front & Rear Torque Box Set; 4 Pieces
1970-74 Mopar E-Body torque boxes are designed to add strength to your Mopar unibody in several critical areas. The factory added OEM torque boxes on the high-HP, high torque cars and convertibles. Hemi cars, six-pak cars...

1970-74 Dodge, Plymouth E-Body; Front & Rear Torque Box Set; 4 Pieces
Classic $391.99 set
1970-74 Mopar E-Body Rear Torque Boxes
At the factory these where known as the "Hemi Boxes" or "Double Floor Plates". These components prevent torsional flex, and when combined with subframe connectors, it provides up to 20% more rigidity to the framework. Made in...
1970-74 Dodge Challenger Subframe Connectors
Connect the front and rear subframes together for added structural rigidity. The factory engineers requested them but the bean counters ruled them out. A popular addition to High-Performance cars and a must have on...
1970-74 Dodge Challenger; Level 1 Chassis Stiffening Set
The factory engineers added stiffening to some ares of the Mopar E-Body models, so they recognized the benefits of the bracing 40+ years ago. Any car will benefit from the additional chassis (unibody) stiffening, especially...
1970-74 Dodge Challenger Hotchkis Weld-In Sub-Frame Connectors
One of the most important additions to your high performance classic Mopar is installing sub-frame connectors. Hotchkis Performance sub-frame connectors bridge the gap between the front frame rails and the rear frame rails,...
1970-74 Dodge Challenger; Frame Connectors
These frame rail connectors are precision CNC machine cut and CNC bent to form a 3 sided box. When they are welded to the floor pan of the Mopar Unibody, they create a complete boxed in frame rail section that is stronger...
1970-74 Dodge, Plymouth E-Body; Front Torque Box Set; 2 Pieces
These torque boxes are designed to add strength to your Mopar unibody in several critical areas. The factory added OEM torque boxes on the high-HP, high torque cars and convertibles. Hemi cars, six-pak cars etc. had torque...
1970-74 Mopar E-Body Rear Torque Box; RH
At the factory this was known as the "Hemi Box" or "Double Floor Plate". This component prevents torsional flex, and when combined with a subframe connector, it provides up to 20% more rigidity to the framework. Made in USA....
1970-74 Mopar E-Body Rear Torque Box; LH
At the factory this was known as the "Hemi Box" or "Double Floor Plate". This component prevents torsional flex, and when combined with a subframe connector, it provides up to 20% more rigidity to the framework. Made in USA....
1970-74 Mopar E-Body Front Torque Box; RH
At the factory this was known as the "Hemi Box" or "Double Floor Plate". This component prevents torsional flex, and when combined with a subframe connector, it provides up to 20% more rigidity to the framework. Made in USA....
1970-74 Mopar E-Body Front Torque Box; LH
At the factory this was known as the "Hemi Box" or "Double Floor Plate". This component prevents torsional flex, and when combined with a subframe connector, it provides up to 20% more rigidity to the framework. Made in USA....
1970-74 Mopar E-Body 4 Piece Torque Box Set
At the factory these where known as the "Hemi Boxes" or "Double Floor Plates". These components prevent torsional flex, and when combined with subframe connectors, it provides up to 20% more rigidity to the framework. Made in...
1970-74 Mopar E-Body Front Torque Boxes
At the factory these where known as the "Hemi Boxes" or "Double Floor Plates". These components prevent torsional flex, and when combined with subframe connectors, it provides up to 20% more rigidity to the framework. Made in...