what progressive, window switch ect....
http://nitrousoutlet.com/index.php/e...ontroller.html
The lingenfelter is a great timing controller. It will remove up to 15 degrees of timing. It has a 0-5 volt reference wire so that you can verify that it is removing timing. It also has a built in Two step.
http://nitrousoutlet.com/index.php/e...ontroller.html
Dave


