Like the supercharged engine, the 426 HEMI also includes a custom engine calibration. The new Drag Pak features a race-prepped automatic transmission, upgraded from the previous generation vehicle ...

While 426 Max Wedge Mopars went undefeated in the 1963 drag racing series, they didn't achieve much NASCAR success. When the ...

"The 426 HEMI is such a vital part of our heritage ... and a dedicated wireless tool network • 2011 Mopar Challenger Drag Pak: first to introduce a 500-plus cubic-inch V-10 drag-race package ...

With the Dodge Challenger Drag Pak from Mopar, the American brand ... the other with a larger (but naturally aspirated) 426 cubic inch HEMI (7 litres). The former uses a cast-iron block with ...