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Front Suspension for a Rat Rod Model A

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In this Tech Tip, a returning customer asks for advice on building a front suspension kit for his Model A rat rod.

“I am building a Model A rat rod and need a front axle assembly. Looking for at least a 6” drop axle. I see your axle / spring / radius arm kits, but do you make a complete front end kit with all the steering components, spindles, brakes, etc.? 91339008 is one of the part numbers I am looking at now, hopefully that gives you an idea of what I am looking for. If you don’t have a complete kit, can you at least send me the correct part numbers for the parts I will need to assemble the steering? Thanks, Tim ”

Hi Tim, thanks for your email. Between axles, axle kits, and steering and brake kits there are over 100 different variable configurations. In your email you mentioned 91339008 and that is one of the options available. We do not have a single part number that includes all the steering spindles, axles, and axle kits. If you take this number and add 9133902 in plain or chrome this would give you a hub to hub front end so all you have to do is bolt your wheel or adapters and wheels on. The steering is another choice in either traditional or cross steer and you will have to make the choice. A Vega box is used for cross steer and we have 9163220 to simplify the choice or 91032197 for a traditional steering option. Neither come with the drag link because we do not know exactly where you will mount it. With the traditional style you will also need the upper steering arm, of which we have a few choices also. Feel free to visit us on the web at or call 1-800-979-0122 with questions or to place an order.

  • John W.

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