The 383 was at 361 with a 4.25-inch bore and 3. ... modifications leading to much lower power output. Still, one Mopar motor ...

a Mopar 440 engine was exclusively an RB engine. However, there was one that crossed over between the two, and that was the Mopar 383. Though they had the same displacement, the two 383 V8s were ...

It included the base 383-cubic-inch (6.3-liter ... 14,202 were ordered with the base engine. However, this Mopar is pretty rare thanks to its coupe body style and color combo.