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Hairpin Radius Front Suspension

The Hairpin is a very popular front suspension with the streetrod Rat Rod and traditional Hot Rod crowd for use with a straight axle front end. It is simple in design and works very well. The plans with work with a stock or tube axle using a transverse leaf spring. 


Application: Universal fit for most Street Rods , Traditional Hot Rods and Nostalgia Rat Rods  using a transverse front spring.

Options: Drawings show you what to measure to produce a working front suspension specific to your car or truck. Can be used for a traditional Ford axle or with an aftermarket tube axle. Three styles of radius rods are shown: Traditional Hairpin , Curtis and the straight top.

The drawing package includes: Eight (8) big 11x17” pages showing you how make all parts, assemble them and then install the finished product successfully on your car. In addition to the drawings listed below you also will receive a Bill of materials and Full installation instructions

        General assembly

        Rear mounting assembly

        Batwings for traditional Ford axle

         Batwings for Tube axle with spring on top of axle

         Batwings for Tube axle with spring behind the axle

        Hairpin Bars

        Curtis style Bars

        Straight top Bars

        Adjuster assembly – rear

        Front Panhard bar

        Panhard bar frame mount


Comments from our customers:

  • Outstanding!  I will be back - great plans easy to read A+++++++++++
  • Very easy to understand plans, very detailed and precise, highly recommended!!!!!!

$10.99 each Hairpin front supension plans
Item # 17


No questions asked money back guarantee.

In the unlikely event that you are not happy for any reason with the plans you have purchased please return the plans within 14 days and we will refund your money. No questions asked.


A small fee to help cover part of cost of shipping your purchase will be added at checkout.

$0.65 to the USA and Canada

$1.65 to International customers.

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$10.99 each Hairpin front supension plans
Item # 17

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