The 6.7-liter Cummins diesel has been powering Ram trucks for nearly two decades. One common problem is hydraulic lifter ...

precision-ground planetary roller screw, oversized tie rods, steel front flange and bearing system optimized for high force press moves. Hydraulic replacement. RSX, RSA and IMA actuators are ideal ...

The numbers are compelling. The Thunder V12 produces 425 horsepower (at 4,000 rpm) and 630 lb-ft of torque at 1,800 rpm, although new pistons, a roller cam, and a port and polished head could ...