Precisely control your diaphragm clutch engagement and slip time for drag racing. Optimize launches, reduce driveline damage, and improve ET with millisecond accuracy.
The BangShift Billy by William Armstrong


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Precisely control your diaphragm clutch engagement and slip time for drag racing. Optimize launches, reduce driveline damage, and improve ET with millisecond accuracy.





Stay informed about drag racing events with instant notifications for class calls, schedule changes, and announcements. Event promoters can manage their events and send real-time updates to subscribers. Never miss an important call whether you're in the lanes or the stands.




This drag racing practice tree helps drivers sharpen their reaction time and reduce red lights. It offers adjustable settings for various racing formats and provides instant feedback to improve consistency on the track.


Experience live race commentary with minimal delay directly on your mobile device. This app allows on-site fans to hear the announcer in real-time, even amidst loud track noise. It supports background audio playback for uninterrupted listening during events.


This GPS-based performance meter allows users to track various acceleration metrics like 0-60mph and 1/4 mile times. It enables sharing performance data on leaderboards and videos with real-time overlays. A dedicated hardware device is required for testing.


This app acts as a next-generation GPS lap timer, compatible with various Dragy devices. It offers real-time predictive lap timing, dual-camera video recording with data overlays, and detailed analysis tools. Compete on leaderboards and share your best laps instantly.


This tool calculates air density, density altitude, and dyno correction factors using weather data from various sources, GPS, or onboard barometers. It's designed for tuners and aviators needing precise atmospheric data for performance calculations.


Track your racing performance with a practice tree and logbook. Stay updated on live and past results from events using the system worldwide.


Measure drag racing times accurately using GPS without specialized equipment. Track your 0-60 times, 1/4 mile, and 1/2 mile performance. Ideal for test runs and training, it offers multiple measurement points and result history.

