Inside A $15,000 8HP Build

A serious 8HP build can climb quickly once you include the gearbox, controller, adapter, converter, clutches, wiring, cooling, tuning and labour.

Cost Areas

  • Gearbox supply
  • Built transmission internals
  • Converter
  • Standalone controller
  • Adapter kit
  • Cooling system
  • Wiring and calibration

Why Cheap Builds Get Expensive

The parts you skip upfront often become the parts that fail first.

Need help? Use this guide as a starting point, then contact 8HP.Shop for a build recommendation matched to your engine and power target.


Build a complete 8HP package

Use the teardown to plan the gearbox, controller, adapter and driveline pieces as one matched package.

Build a complete 8HP package Ask fitment question