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Universal Chassis Modifications

Many times while building Street rod , Hot Rod or custom it is necessary to alter the stock frame to fit a different vehicle, mount a different type of suspension or to get the car to sit right. Unfortunately the person performing the modification more often than not lacks the knowledge to do it correctly.

These plans will show you how to make common frame modifications the same way a reputable chassis shop would do the work.


Application: Universal instructions for any HotRod Street rod or custom with a frame

The drawing package includes:

Four (4) big 11x17” pages showing you how to modify your frame to make the car look good and handle correctly at today’s highway speeds. Drawings and full instructions are included to show you how to:


        Box a frame

        Splice a frame rail safely

        Add kickups to lower the car

        Zee a frame

        “C” a frame

        Bolt suspension components to a frame safely

        Narrow rear frame rails to permit wide rear tires to clear  


 Comments from our customers:

  • These are brilliant, just as described and much better than that. Quick delivery
  • Excellent plans, easy to read, will buy from again, very pleased. thanks again. AA++ 
  • Great Deal, As Advertised, Well Thought Out, Thank You Very Much***** 

$6.99 each Chassis modification plans
Item # 15


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 the shipping cost will be added at checkout.

$0.65 to the USA and Canada

$1.65 to International customers.

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$6.99 each Chassis modification plans
Item # 15

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