Chrysler produced standard cast-iron 440-cubic-inch engines from 1965 to 1978 with ... Outmatched in 1968, Petty wanted Plymouth to build a new aerodynamic racecar similar to Dodge's 1969 Charger ...
For example, a Mopar 440 engine was exclusively an RB engine ... and was introduced mostly as a stop-gap alternative. With its taller build, this engine had a bore and stroke of 4.031 inches by 3.75 ...