Unitrax - For driveline and differential parts and services. Using parts from the most reliable companies in the industry:Dana Spicer, American Axle, Timken, Gear Vendors, OS Giken, Wavetrac, Federal Mogul and Schaeffer's & SYngear Lubricants

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In the News with UNITRAX

Gearing Formulas

12/14/11
  Crossfire SRT 6 & Mercedes-Benz
  SLK 32 Wavetrac Helical
  LSDs are now shipping!

12/14/11
Getrag H226 3.55 gear set is
  available for Dodge Challengers.

12/14/11
Have your Jeep JK 4x4 differential
  ratio change completed in one day!

When using the following formulas please be sure to enter your measurements in as inches.
Click on any to begin.

	1.	Find your RPM.
	2.	Find your gear ratio.
	3.	Find your MPH.
	4.	Find tire diameter
	5.	What ratio do I need
	6.	New effective gear ratio after tire change
	7.	Ratio needed after tire change
	8.	Tire height
	8.