63-72 Frame Stiffener

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