Hotchkis 4007 Subframe Connectors for 1967-1969 Camaro / Firebird Coupes

Vehicle Fitment

• 1967-1969 Chevrolet Camaro (F-Body, Coupe)
• 1967-1969 Pontiac Firebird (F-Body, Coupe)

Features

• Heavy-duty subframe connectors to increase chassis rigidity and reduce flex
• Fabricated from 1.5" x 2.5" rectangular steel tubing with 0.120" wall thickness - strong and durable
• MIG-welded construction and powder-coat finished in gloss black for corrosion resistance and clean appearance
• Includes polyurethane front body-mount bushings for improved isolation and fitment
• Improves handling stability, steering precision, and suspension performance under load, cornering, or acceleration
• Helps eliminate common frame flex issues in classic F-Body cars - beneficial for high-power, lowered, or performance builds
• Front mount can be bolt-in (with included hardware) or welded - gives flexibility for maintenance or full-time chassis bracing
• Rear mount is weld-in for strongest chassis connection between front subframe and rear frame rails

Specifications

• Part Number: 4007
• Material: Steel rectangular tubing (1.5" x 2.5", 0.120" wall)
• Finish: Gloss black powder-coat
• Quantity: Pair (left + right side connectors)
• Mounting: Rear - weld-in; Front - bolt-in (optionally weld-in for permanent installation)
• Body Mount Bushings: Included polyurethane front bushings

Included Components

• 1x Left-side subframe connector
• 1x Right-side subframe connector
• Front polyurethane body-mount bushings
• Front mounting hardware (bolt + washer) - for bolt-in installation

Product Description

The Hotchkis 4007 Subframe Connectors are a robust chassis-stiffening upgrade designed for 1967-1969 Camaro and Firebird F-Body coupe models. By linking the front subframe to the rear frame rails with heavy-duty steel tubing, the kit dramatically reduces chassis flex - a common problem on classic unibody/f-body cars under the stress of powerful engines, lowered suspension, or spirited driving. The improved rigidity enhances handling, cornering precision, and suspension performance, making the car feel more stable and controlled under load.

Installation offers flexibility: the front of the connectors can be either bolted in (for easier maintenance and subframe removal) or welded for permanent reinforcement, while the rear end is welded for maximum strength. With included polyurethane bushings and a clean gloss-black powder-coat finish, the 4007 connectors also help reduce noise and vibration while blending cleanly under the car. Whether for a restoration, restomod, or performance build - especially in high-power or modified F-Body cars - the 4007 is a foundational upgrade to stiffen the chassis and improve overall driving dynamics.