Introduced in 1944, the B4B displaced 1.4 L (1414 cc/86 in³) and powered the Volvo PV444. It was departure for Volvo who had not produced an automobile with a four-cylinder engine in nearly 20 years. The B4B was equipped with a single down-draught carburetor. Suppliers of ancillaries included Autolite (ignition distributors and generators), Zenith and Carter (carburetors), and Bosch (ignition distributors, generators and starter motors.)
Read more about this topic: Volvo B4B Engine