Drag Mod: This Mod is for users who want all out power and speed and are not concerned about fuel mileage. This mod is great for drag racers, dirt oval and monster truck, Boats, and planes where having the most power and rpm is the goal.
Race Mod: This is for racers who want more power but also want improved fuel mileage and driveability. We optimize your engine to achieve the best balance of performance and fuel mileage making it Rev higher, get better runtime and pull harder to give that extra edge in competition! This is most popular for our car racers who want to make less pit stops for fuel during a race.
We can tailor a Mod to fit your specific needs so if you need something different contact us , the sky is the limit. Boat, Plane, On road car, Off road car .
Please note: only engines that are new or have less than 1 gallon on them can be modified.
Print out our order form and send in your complete engine to the address on the form.