For the 1971 model year, Plymouth released the redesigned GTX 440 Six Barrel, a powerful upscale model that went down as one ...

Introduced for the 1967 model year, the Plymouth GTX got an extensive makeover for 1968. This 440-powered hardtop is a stunning restoration.

The 1971 Plymouth GTX restomod features a powerful 8.4-liter Viper V10 engine, producing 630 hp and 660 lb-ft of torque. Built by Horsepower Northwest in Washington, the car was originally ...

The Plymouth GTX was first released in 1967, and it offered one of two engine options - a 440cid big block and a 426 HEMI. The GTX was a spinoff of the Plymouth Belvedere, but that's where the ...