Plymouth Barracuda Formula S 383 . Gorgeous 1 of 557 made Formula S 383 4-speed. Added a few tasteful upgrades- CNC’d aluminum heads and RPM intake, Comp 284/525 hyd. cam, Diamond 10.3/1 pistons, TTI headers, Hurst Comp plus shifter, wider 15″ wheels and tires. Manual steering and front disc brakes. Has 500 HP; 3.55 sure grip gears, race axles, Hemi torque boxes and contoured frame connectors.