The 123\TUNE+-4-R-V-B21-B23 is designed for the Volvo B17, B19, B21, B23 and B230 engines, not only for classic cars like the Volvo 242, 244, 245 etc but also for the trucks and boats ( Volvo Penta ) .

123ignition is proud to announce the first fully programmable Bluetooth ignition! Control your 123\TUNE+ with your iOS/Android smartphone or tablet. The App makes it possible to adjust the ignition curve and shows an electronic dashboard.

Main features: REV-counter, Antitheft system by a PIN code, Real time tuning, Vacuum advance, Boost retard, Soft REV-limiter, etc.

Tune+-4-R-V-B21-B23 = Tune+ stands for connection with bluetooth    
Tune+-4-R-V-B21-B23 = 4 stands for the numbers of cylinders  
Tune+-4-R-V-B21-B23 = R stands for straight distributor cap  
Tune+-4-R-V-B21-B23 = V stands for vacuum advance  
Tune+-4-R-V-B21-B23 = B21-B23 stands for the 123ignition type