Plymouth Road Runner (1969) for Sale in KS

1969 Plymouth Road Runner 426 Hemi 4 spd 2 Dr Hardtop. The Wedge just could not breathe as well as their competitors and Chrysler knew that the reintroduced hemispherical combustion chamber cylinder heads for use on the 426 cid RB blocks was the best design for producing the most power. Rather than build a completely new engine from the ground up Chrysler chose to fabricate Hemi cylinder heads and use them on their existing RB engine block.