the 123\VOLVO-B18-B20-4-R-V is a unit that fits the B18 and B20 4-cylinder Volvo carburetor and injection engines. It fits cars, trucks and boats (VOLVO PENTA)
Please be aware you need the 123\VOLVO-B18-B20-4-R-V-IE for Bosch D-jetronic injection support.
It has advance-curves for the full range engines from B18A to B20F as well B18 and B20 based Volvo Penta engines.
The unit also offers optimised LPG / Ethanol-curves for these engines.