Take immediate, manual command of your common-rail fuel management profiles with our heavy-duty multi-position rotary selector switches built exclusively for RAM Cummins trucks. Sourced to integrate perfectly with advanced CSP4 and CSP5 custom tuning maps, these manual rotary programmers allow you to flip between distinct timing and boost schedules on the go. This collection houses durable in-cab selector switches and rugged, weather-sealed wiring harness leads engineered specifically to link directly into the factory sensor array networks of 5.9L and 6.7L Cummins engines. Whether you need to instantly toggle from a clean, low-smoke daily driving file to an aggressive sled-pulling track setup or a dedicated high-idle warm-up position, these custom hardware switches deliver reliable, instantaneous power steps directly from your dashboard.
