Product#: MM8187

1966-76 Mopar A-Body 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...

Product#: PM1013

1966-70 Dodge, Plymouth B-Body; Level 1 Chassis Stiffening Set

Frame connectors and torque boxes add stiffening where the factory engineers knew it is needed. Less twist and Unibody flex. The factory added OEM torque boxes on the high-HP, high torque cars and convertibles. Hemi cars,...

Product#: H4010

1966-70 Mopar B-Body 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,...

Product#: *MM8022

1966-70 Mopar B-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...

Product#: 6267SFCB

1962-67 Chevy II / Nova; Subframe Connectors

Made of round tubing with 1.5" od x.120 wall, these connectors resist torsional twist better than other manufacturer's square tube versions and also provide for maximum ground clearance. The connectors are 100% bolt-in and...

Product#: UM2400A

1982-92 F-Body Hardtop, T-top, Convertible Weld-In Boxed Style Subframe Connectors with Red Finish

Subframe connectors have been the answer for body flex which produces body squeaks and rattles as well as cracks in body panels. Subframe connectors essentially tie the front and rear steel subframes together, resulting in a...

Product#: BX20010B

1967-69 F-Body BMR Bolt-In Subframe Connectors with Black Hammertone Finish

BMR's bolt-in subframe connectors are a great alternative to weld-in connectors. Manufactured from laser-profiled square tubing and CNC formed frame boxes, these subframe connectors bolt in around the rear frame rails and...

Product#: D10104

1962-67 Chevy II; Detroit Speed; Weld-In Subframe Connectors

These weld-in subframe connectors are fabricated from 2" x 3" x 0.095" wall rectangular tubing. These connectors are barely visible from underneath the vehicle. The rear of the connector is tapered to attach to the rear frame...

Product#: H10064

1970-81 Camaro / Firebird; Heidts Subframe Connectors; for Factory Front Subframe

Heidt's subframe connectors stiffen the unibody and are completely bolt-on. These install with no cutting or floor modifications required. Attaches to front subframe and rear frame rails or 4-link brackets when used with...

Product#: D10103

1970-81 Camaro/Firebird; Detroit Speed; Weld-In Subframe Connectors

These weld-in subframe connectors are fabricated from 2" x 3" x.120" wall rectangular tubing. The connectors are barely visible from underneath the vehicle. The rear of the connector is tapered to attach to the rear frame...

Product#: PM1104

1967-75 Dodge, Plymouth A-Body; Frame Connectors

Frame connectors that fit most 1967-75 Mopar A-Body models. All wheelbases (108" and 111" from 1967-1969 and most 111" wheelbase from 1970-1975). These frame connectors fit Dart, Valiant, Barracuda from 1967-1975. CNC machine...

Product#: PM1107

1962-65 Dodge, Plymouth B-Body; Frame Connectors

CNC machine cut from 12 gauge steel (original factory rails are made from 16 gauge material) and CNC bent for a precision fit, these frame rail connectors are designed to be welded in to your existing unibody floor pan. No...

Product#: H4008

1967-1969 Camaro / Firebird Convertible Hotchkis Subframe Connectors

Hotchkis Sport Suspension subframe connectors are strategically engineered to add chassis rigidity for improved vehicle performance and longevity by reducing chassis flex. Fabricated from 1.5" x 2.5",.120" wall rectangular...

Product#: H10065

1970-81 Camaro / Firebird Coupe Subframe Connectors For Heidt'S Pro-G Front Subframe

Reinforce the chassis of your Heidt's-front-subframe-equipped models with a set of subframe connectors. Subframe connectors reinforce the connection between the frame of the car and front subframe, enhancing chassis rigidity...

Product#: H4011L

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,...

Product#: H4014

1967-76 Mopar A-Body With 108" Wheelbase 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,...

Product#: PM1101

1966-70 Dodge, Plymouth B-Body; Frame Connectors

CNC machine cut from 12 gauge steel (original factory rails are made from 16 gauge material) and CNC bent for a precision fit, these frame rail connectors are designed to be welded in to your existing unibody floor pan. No...

Product#: BX20059B

1982-02 F-Body BMR Trak-Pak Adjustable Torque Arm W/ Crossbrace - Black Hammertone

Factory torque arms do a great job of dissolving horsepower and torque into the chassis. Replace your weak, flexible stamped metal torque arm with a rigid BMR tubular version and put that power where it is supposed to be -...

Product#: C904

1982-92 Camaro / Firebird Coupe Global West Suspension Subframe Connectors

Subframe connectors are used for high performance street and racing applications. It is no secret that tying the car together with subframes not only stiffens the chassis but improves vehicle response. These subframes are...

Product#: PF1204

1965-70 Ford Mustang; Front & Rear Torque Box Set; 4 Pieces

These braces are designed to add strength to your Mustang unibody in a very critical area. Reinforce this critical brace with these CNC Machine cut and bent, 1/8" thick steel plates. Made in the USA!

Product#: PM1102

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...

Product#: D010109

1964.5-70 Mustang; Detroit Speed; Rear Torque Box Kit; Stock Rear Suspension

Detroit Speed Rear Torque Box Kit for 1964 1/2-1970 Mustangs with stock rear suspension configurations. This kit is designed to work with Detroit Speed's D010105 subframe connector kit to increase the structural rigidity and...

Product#: PF1114

1965-67 Ford Mustang; Coupe, Fastback ; CNC Cut Floor Contoured Sub-Frame Rail Connectors; Weld-In

If you have ever wanted to take your Mustang to the next level of chassis updates, you know you need frame rail connectors. The US Car Tool frame rail connectors are custom CNC cut to be a precision fit to the floorpan of...

Product#: FM110679

1964-70 Mustang Totally Tubular Subframe Connectors - Black

CPP's subframe connectors are made using round tubing with 1.5" od x.120 wall. Round tube resists torsional twist better than square tube versions and also provide for maximum ground clearance. The connectors are 100% bolt in...

Product#: PF1505

1965-67 Ford Mustang; Front & Rear Torque Box Set; 4 Pieces

These torque boxes are designed to add strength to your Mustang unibody in several critical areas. The factory added OEM torque boxes on the high-HP, high torque cars and convertibles. USCT's interpretation of the OEM pieces...

Product#: FM110680

1964-70 Mustang X-Frame Brace - Black

Use in combination with CPP Subframe Connectors for added strength and stability.Available in gloss black powder coat only.NOTE: Shipped oversize-2.

Product#: GW9240

1967-73 Ford Mustang; Rocker Rail Support Kit; Global West Suspension

Global West rocker rail support kit for 1967-73 Ford Mustang. This kit includes jacking rails and additional cross supports that attach to Global West subframe connector part #910. The supports extend from the main subframe...

Product#: H10063A

1967-69 Camaro / Firebird Convertible; Subframe Connectors; For Heidt'S Pro-G Front Subframe

Reinforce the chassis of your Heidt's-front-subframe-equipped models with a set of subframe connectors. Subframe connectors reinforce the connection between the frame of the car and front subframe, enhancing chassis rigidity...

Product#: MM8139

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...

Product#: H10039

1968-72 Nova / X-Body; Subframe Connectors; For Heidt's Subframe

Reinforce the chassis of your 68-74 Nova subframe with a set of subframe connectors from Heidt's. Subframe connectors reinforce the connection between the front and rear subframes for significantly improved chassis rigidity...

Product#: K5904610

1967-69 Camaro/Firebird Center g-Connector Support, Bolt-In

Center g-Connector Support for 67-69 Camaro - Tubular support brace spans the undercarriage, connecting the driver- and passenger-side frame connectors. K5601 Chassisworks subframe c onnectors required for installation....

Product#: PM1507

1963-66 Dodge, Plymouth A-Body; Front & Rear Torque Box Set; 4 Pieces

Dodge Plymouth 63-66 A Body Mopar Hot Rod Torque Box Set fits all A-Body from 1963 through 1966, Dodge and Plymouth, Dart, Valiant etc. These torque boxes are designed to add strength to your Mopar unibody in several critical...

Product#: PM1020

1971-72 Dodge, Plymouth B-Body; Level 1 Chassis Stiffening Set

Frame connectors and torque boxes add stiffening where the factory engineers knew it is needed. Less twist and Unibody flex. The factory added OEM torque boxes on the high-HP, high torque cars and convertibles. Hemi cars,...

Product#: AM313170

1967-69 Camaro Art Morrison Weld-In Subframe Connectors

One of the most important chassis modifications you can make to a unibody car is to connect the front and rear subframes. This stiffens the chassis for improved handling and stability. These connectors can be used to...

Product#: PF1108

1979-04 Ford Mustang; Coupe, Hatchback; CNC Cut Floor Contoured Sub-Frame Rail Connectors; Weld-In

If you have ever wanted to take your Mustang to the next level of chassis updates, you know you need frame rail connectors. The US Car Tool frame rail connectors are custom CNC cut to be a precision fit to the floorpan of...

Product#: PG1124

1963-67 Chevrolet Chevy II Nova; CNC Cut Floor Contoured Sub-Frame Rail Connectors; Weld-In

These frame rail connectors are precision CNC cut and CNC bent to form a unique frame member that follows the contour of your existing floor. When they are welded to the floorpan of your Mustang Unibody, you create a complete...

Product#: PM1103

1970-74 Plymouth Barracuda, Cuda; 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 floorpan of the Mopar Unibody, they create a complete boxed in frame rail section that is stronger than...

Product#: PM1112

1971-72 Dodge, Plymouth B-Body; Frame Connectors

CNC machine cut from 12 gauge thick steel (original factory rails are made from 16 gauge material) and CNC bent for a precision fit, these frame rail connectors are designed to be welded in to your existing unibody floor pan....

Product#: C917

1962-67 Chevy II / Nova Coupe Sub-Frame Connectors

Subframe connectors are used for high performance street and racing applications. It is no secret that tying the car together with subframes not only stiffens the chassis but improves vehicle response. Sets include 2 stock...

Product#: PM1012

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...

Product#: SOP15

1962-67 Standard Lower Sub Kit

Product#: GW846

1959-64 Impala / Full Size Rear Frame Support; LH

This support is designed to add strength to the rear frame crossmember. The crossmember holds the attachment points for the rear upper control arm(s) depending on your frame. During hard acceleration, the upper control arm is...

Product#: BX20059A

1982-02 F-Body BMR Trak-Pak Adjustable Torque Arm W/ Crossbrace - Red

Factory torque arms do a great job of dissolving horsepower and torque into the chassis. Replace your weak, flexible stamped metal torque arm with a rigid BMR tubular version and put that power where it is supposed to be -...

Product#: BX20110A

1982-02 F-Body BMR Replacement Crossbrace - Red

Replacement crossbrace for use with BMR Trak-Pak and XTREME Torque Arms. Note: Discount exempt. 1982-84 models require an '85-up "clamshell" torque arm mount. Applications: 1982- 02 Camaro V8 (orV6 with 1-pc driveshaft)

Product#: BX21050B

1982-02 F-Body BMR Xtreme Adjustable Torque Arm W/ Crossbrace - Black Hammertone

Factory torque arms do a great job of dissolving horsepower and torque into the chassis. Replace your weak, flexible stamped metal torque arm with a rigid BMR tubular version and put that power where it is supposed to be -...

Product#: BX20110B

1982-02 F-Body BMR Replacement Crossbrace - Black Hammertone

Replacement crossbrace for use with BMR Trak-Pak and XTREME Torque Arms. Note: Discount exempt. 1982-84 models require an '85-up "clamshell" torque arm mount. Applications: 1982- 02 Camaro V8 (or V6 with 1-pc driveshaft)

Product#: K5903611

1967-69 Firebird, 1967-81 Camaro OEM Adapter for g-Connector Subframe Connector System

Weld-in g-Connector adapter allows bolt-in installation of Chassisworks g-Connector frame bracing system to an OEM front subframe. Adapter is welded over end of OEM subframe to provide male mounting point for tubular subframe...

Product#: BX21050A

1982-02 F-Body BMR Xtreme Adjustable Torque Arm W/ Crossbrace - Red

Factory torque arms do a great job of dissolving horsepower and torque into the chassis. Replace your weak, flexible stamped metal torque arm with a rigid BMR tubular version and put that power where it is supposed to be -...

Product#: PM1503

1967-75 Dodge, Plymouth A-Body; Front & Rear Torque Box Set; 4 Pieces

1967-75 Mopar A-Body Torque Box Set. Fits all A Bodies from 1967 through 1975, Dodge and Plymouth, Dart, Duster, Scamp, Valiant etc. These torque boxes are designed to add strength to your Dodge/Plymouth unibody in several...

Product#: MM8170

1960-76 Mopar A-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....

Product#: *MM8171

1960-76 Mopar A-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...

Product#: MM8166

1960-76 Mopar A-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....

Product#: MM8169

1960-76 Mopar A-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....

Product#: *MM8168

1960-76 Mopar A-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...

Product#: *MM8172

1960-76 Mopar A-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...

Product#: MM8167

1960-76 Mopar A-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....

Product#: H4013

1974-81 Camaro / Firebird Hotchkis Subframe Connectors

Hotchkis Sport Suspension subframe connectors are strategically engineered to add chassis rigidity for improved vehicle performance and longevity by reducing chassis flex. Fabricated from 1.5" x 3",.120" wall rectangular...

Product#: BX20013

1982-92 F-Body BMR Weld-In Subframe Connectors for Inside Frame Exhaust with Black Hammertone Finish

The Third Generation F-body needs all the reinforcement it can get. Known as one of the "loosest" chassis ever produced, These subframe connectors solve this problem, reinforcing the rear control arm mounts, joining key...

Product#: PM1515

1967-75 Dodge, Plymouth A-Body; Rear Torque Box Set; 2 Pieces

Dodge/Plymouth A-Body Mopar "Hot Rod" Torque Box Set fits all A-Body from 1967 through 1975, Dodge and Plymouth, Dart, Duster, Scamp, Valiant etc. These torque boxes are designed to add strength to your Mopar unibody in...

Product#: PM1514

1967-75 Dodge, Plymouth A-Body; Front Torque Box Set; 2 Pieces

Dodge Plymouth A-Body Mopar "Hot Rod" Torque Box Set fits all A-Body from 1967 through 1975, Dodge and Plymouth, Dart, Duster, Scamp, Valiant etc. These torque boxes are designed to add strength to your Mopar unibody in...