Chrysler’s 6.4L Hemi V8 in a Ram 2500 Power Wagon
Chrysler currently produces the largest OE gasoline V8 engine commercially available, and it stuffs it in a multitude of vehicles from Dodge Chargers to RAM trucks. The 6.4L HEMI V8, known by the codename “Apache”, is a medium-duty 90-degree pushrod V8 with two large valves per cylinder, 16 spark plugs, 410 horsepower and 429ft-lbs of torque.