Hotchkis Sport Suspension 4013 1974-1981 Camaro/Firebird Sub Frame Connectors. The Hotchkis Performance sub-frame connectors for 74-81 F-Body cars are designed to add rigidity to the chassis to improve vehicle performance by reducing chassis flex. Fabricated from 1.5 in. x 3 in. .120 wall rectangular steel these TIG-welded connectors are powder coated gloss black. Installation of these connectors does not require modifications or cutting of the floor boards. The rear mount is a weld in while the front mount is a bolt in with the option to weld. This is a must have finishing touch for any F-Body restoration.
