The butterfly shaft allows the butterfly closest to the barrel valve to open about a third of the way before the other two butterflies come off there idle position allowing for some part throttle driving which has proven to be a hit in the tractor pulling and endurance boat racing world. This kit can be adapted to Enderle's Big and UglyLittle Ugly as well as there Short and Ugly line of injector hats and is simple for the racer to set up and adjust with basic hand tools.
The kit is shown installed on an injector to give the racer an idea on looks and function but only the linkage and butterfly shaft are included in the progressive linkage price.
Installed = when you purchase a new injector this is an available upgrade which can be chosen by the racer and installed as the injector is being put together.
Add on = for the racer that wants to purchase the progressive kit and install on an existing injector.
Racer must put in injector type box below the drop down menu which injector the set up is for if being ordered for customer installation.
Cart
copyright © 2024