For example, a Mopar 440 engine was exclusively an RB engine ... Also, none of these three engines came from the same family. The 383 and 440 big-blocks are somewhat related, as the 383 is a B engine ...
This green-on-green hardtop rolled off the assembly line right after that crucial moment in Mopar history. The 426 HEMI and the 440 Six ... The 383-cubic-inch (6.3-liter) big block was also ...