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#: 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#: 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#: 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#: 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#: 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#: 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#: 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#: 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#: 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#: 52092

1968-72 Nova; GM X-Body; QA1 Subframe Connector and Solid Body Mount Kit; Includes Hardware

QA1's Subframe connector and solid body mount kit increases frame rigidity and provides a significant improvement in handling performance. This kit designed specifically for your 1968-72 Nova reduces unibody flex and twist...

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#: 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#: 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#: 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#: 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#: *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#: 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#: 10219X

1964-70 Ford Mustang; Coupe/Fastback; Subframe Connector Set

Strengthen your classic Mustang's chassis for improved handling and less body flex. This bolt - on kit (welding recommended) connects the front and rear subframes. Made in USA Comes complete with all fasteners and illustrated...

Product#: H10020

1967-69 Camaro / Firebird Coupe 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#: H4009

1968-74 Nova 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#: 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#: 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#: 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#: 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#: 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#: D010105

1964-70 Mustang;Detroit Speed; Subframe Connectors

Detroit Speed weld-in subframe connectors increase your car's stiffness by connecting the front subframe to the rear frame rails. They are fabricated from 1.5 inch x 2.5 inch x 0.083 inch wall rectangular steel tubing. The...

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#: 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#: 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#: 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#: SOP15

1962-67 Standard Lower Sub Kit

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#: H10037

1968-72 Chevrolet Nova; Subframe Connectors; For Factory Subframe

Reinforce the chassis of your 68-72 Nova stock 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...

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#: 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#: 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#: 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#: 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#: 52093

1967-69 Camaro; Firebird; QA1 Subframe Connector and Solid Body Mount Kit; Includes Hardware

QA1's Subframe connector and solid body mount kit increases frame rigidity and provides a significant improvement in handling performance. This kit designed specifically for your 1967-69 Camaro or Firebird reduces unibody...

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#: 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#: *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#: 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#: 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#: MM8050

1966-70 Mopar B-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#: UM2002A

1993-2002 F-Body (except convertible) 2-Point Bolt-In 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. Designed for everyday driving with an occasional autocross or drag race. Features: Constructed...

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#: 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#: 11167300

1967-69 Camaro, Firebird; Subframe Connectors; Coupe

The Ridetech subframe connectors for 1967, 1968, and 1969 Camaro / Firebird add rigidity to your vintage F-Body chassis and improve performance by reducing chassis flex. Easy to install removes chassis flex integrated leaf...

Product#: C905

1993-02 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#: 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...