The Power Punch is designed for the 1996 and newer, 7.6L and 8.1L motors for John Deere tractors, this innovative plug-in chip will increase horsepower 10 - 30% (adjustable) over stock. The Power Punch adjust fuel to the engine, and installs quick and easy. It plugs inline with the fuel injection pump and only takes about a minute for complete installation. The best part of the Power Punch is that it will increase horsepower and fuel consumption remains almost the same.
We are not an authorized Bully Dog dealer. All sales are old stock and all warranty claims will have to go through bully dog.
Fits Tractor and combine Models: