The 123\B16-R-V is designed for the stock and tuned Volvo B4B, B14A, B16-A and B16-B engines, not only for classic cars (PV444, P1900, PV544, P445, P210 and the Volvo Duett), but also for trucks and boats, Volvo Penta.

The 123\B18-B20-R-V is designed for the Volvo B18 and B20 engines, not only for classic cars as the Amazone, P1800 etc. but also for trucks and boats, Volvo Penta.

The 123\B18-B20-R-V for Volvo PV544, Duett, P1800, Amazon, 140, 200 and C202 is designed for the Volvo B18 and B20 engines with an electronic fuel injection system (the engine needs a trigger pulse from the ignition). This 123 ignition is not only for classic cars as the Amazone, P1800 etc. but also for trucks and boats, Volvo Penta.

The 123\B21-B23-R-V 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). This 123 offers advance-curves for B17 - B25 Volvo & Volvo Penta engines including turbo engines. Even a couple of optimised LPG / Ethanol-curves are available.

123\B30-R-V-IE for Volvo 164, Marcos 3000GT, Volvo C303, Volvo Penta AQ165/AQ170 is a unit that fits the B30 6-cylinder Volvo carburettor and fuel injection engines. It fits cars, trucks and boats (VOLVO PENTA).