06-03-2008, 05:08 PM
|
|
Senior Club Cobra Member
|
|
|
Join Date: Feb 2007
Cobra Make, Engine: KMP 539, a Ton of Aluminum
Posts: 9,591
|
|
Not Ranked
Quote:
Originally Posted by Silverback51
Kirkham.
3.0 diameter X .120 wall round tubing. The "I" value of this is 2.76 Inches to the fourth.
|
Per the Kirkham website, 4" round, not 3".
http://www.kirkhammotorsports.com/mfg/frame_index.html
|