Boost your truck’s chassis strength and performance with our frame stiffener kit, available for Blazers, Suburbans, short bed, and long bed models. Featuring heavy-duty boxing plates designed for increased rigidity, improved handling, and enhanced ground clearance, this bolt-in kit adds serious durability without sacrificing adjustability. Engineered for long-lasting strength and superior ride quality on and off the road. Features 3/16 Steel Construction Uses Factory Holes to Mount Adjustable Transmission & Trailing Arm Mounts Works With 1 & 2 Piece Driveshafts Boxes Your Frame Rails Ability to Run up to 3 1/2″ Exhaust Includes Transmission Crossmember & GM Polyurethane Mount Grade 8 Hardware Boxing Plates Frame Stiffener Application 2WD 63-72 Chevy/GMC C10, C20 Choose short bed or long bed in the dropdown GM Transmissions (T400, 700R4, 4L60, 4L80, 6L80, T-56, Tko500 3 - 4 Week Lead Times Typical 63-72 Frame Stiffener Install Video
