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Tools and Calculators

Use an online version of the same tools we use in-house.

Coil-over Tension Conversion - KGS to Lbs

If you’re an American, you may not understand the metric system.   Enter KGS/mm to get your coil-over’s tension in Lbs.   

 

Injector Size Calculator

If you know your maximum Horsepower at the crank and your fuel type,  this tool estimates your best injector size.

Gear Ratio Finder

Find the best gear ratio for your differential, based on your desired redline at a certain speed.

 

 

Tire Height Calculator

Estimate the tire height of up to 6 different tire sizes at once. 

Header Port-Size Calculator

Calculate the correct header size for your engine based on where you want your peak horsepower. 

 

 

Wheel Dimension and Tire Width Calculator

If you know your wheel width and offset, we’ll give you a good estimate of your Front-space, Back-space, Total Wheel Width, and Tire Width Recommendations