With the increase of NHRA and NASCAR engine displacement regulations to 7.0 liters in 1963, the 413 Max Wedge grew to 426 cubic inches, creating the 426 Max Wedge. The same year as the 426 Max ...
The story of Chrysler's Maximum Performance Wedge engines began in the early sixties. They were 413 ... engine-exclusive passenger-side inner fender stampings. Standard B-Bodies don’t ...