There's a reason that there's a massive cutout in the hood of every 1971 HEMI 'Cuda Convertible; there's an elephant in there ...

But ultimately, it was a displacement-restricting ruling that beat the Hemi. Wing cars would be limited to an engine size of 305 cubic inches, which took the Elephant out of the equation.

The 1966 Plymouth Belvedere started the trend of calling Chrysler's 426 Hemi "The Elephant." Although considered legendary today, only 11,000 426 Hemi-powered cars were made in the muscle-car ...

It's that long and proud heritage which Mopar celebrates this year with a range of Hemi merchandise bearing the logo above with the elephant that symbolizes the size and power of the engine.