From a hobby gearhead to a professional engine or chassis builder, you’ll want Gearhead Pro! Gearhead Pro is the calculator app that us gearheads use .. Read more
This handy app allows you to look up the correct wheel fitment data for your vehicle using the world’s largest wheel fitment database at Wheel-Size.com. You can retrieve information about wheel sizes.. Read more
If you are a hobby gearhead, you’ll want Gearhead Light! Gearhead Light is the free calculator app that us gearheads use for performance automotive parameters. It calculates engine, gearing & tire par.. Read more
OBSERVE THE PARAMETERS OF YOUR CAR IN REAL TIME, READ AND RESET ERRORS: ◆ Read and discard errors. The app includes an extensive database of detailed error transcripts! ◆ The app supports all cars com.. Read more
An essential guide for calculating specific areas in main featured categories: Engine, Gear and Drag. Reach maximum performance and the ideal setup by using Engine calculator tools. • Bore Size & Bor.. Read more