The 1955 Chrysler 300 B
The 300B was released in 1956. Starting with this model and ending in 1965 and then re-starting in 1999 with the M series, all models would be labeled with a sequential letter after the initial 1955 300. The standard engine was upgraded to a new 354 cid Hemi V8 with similar features which generated 340 bhp. Optional was a more powerful version with 10:1 compression that produced 355 bhp. Included with the optional motor was a special three inch exhaust system. Performance of the new 300B improved as it averaged over 90 mph in the Daytona Grand National and hit almost 140 mph in the Flying Mile. Only 1,102 copies were sold.