Digital Delay Elite RPM Switch, designed for use in conjunction with an air or electric shifter, can handle up to four shift points without the need for RPM chips. Shift points may be adjusted in 100 RPM increments and retained in memory even when power is shut off. Unit has a 3,000-9,900 RPM range and is compatible with 4-, 6- or 8-cylinder engines. 

Biondo supplies a full range of drag racing components, from electronics and engine components to shifters and safety gear.