• 5/8" Thick wall HEAVY Tube with 2.5" grand national style snout for quick change rear ends
• 2.999" to 3.000" O.D. to correctly fit quick change side bells
• Retainer bolt holes must be drilled and tapped after installation
• Tube is measured total length from end to end
** Example: 60" centered pinion quick change takes (2) - 24" Tubes **