The 1947 - Present Chevrolet & GMC Truck Message Board Network - NEW Porterbuilt Bolt-in C-notch for 63-72

I thought I would post up some pics of our new two piece bolt-in c-notch. I have been trying to find the time to finalize this thing for quite a while now… finally buttoned it up a couple weeks ago! This notch will be part of a complete mild drop system we will be releasing shortly, or we will be selling it separately for $249. This isn’t just an ordinary bolt-in c-notch… I put lots of thought into its design to ensure strength, and ease of installation. The fit on these notches is the best you can find in a production notch. We use factory frame-rail sections as a fixture to build them. Its two-piece design make installation a breeze. It locates using the two factory shock cross-member rivet holes on the top of the frame-rails, and then several holes are drilled. The first notch section can be used as a template and a support to cut the notch out of the frame-rails…. no more cutting, test fitting, cutting, test fitting, cutting… you get the picture! Once the frame section is removed, the lower notch will bolt in to the side and bottom of the rails. The lower section uses factory rivet locations on the bottom side of the frame, and also incorporates an air bag/spring plate (making it easier to drill the frame for mounting the air spring). The factory spring stiffeners remain in the chassis, keeping this baby as strong as possible. I will post more pics of the notch once I complete the mild drop kit I was referring to. There’s also more pics on my site for those who want to see more.

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