Diablo Sport has designed the POWER PUCK for the in-line, six-cylinder, direct-injection, turbo diesel Cummins engines. The POWER PUCK gives maximum power and torque without compromising reliability. The POWER PUCK is designed of 6160 Aluminum for durability and looks. Its compact design allows the unit to install easily. Installation is quick and simple. Once the POWER PUCK is installed you will be able to feel the difference. The torque and horsepower gains are felt immediately throughout the entire rpm range. The significant torque created in the low to medium range helps out in the most critical times such as when passing a vehicle while you're out on the road or while you're pulling a heavy load. When you demand performance, the Power Puck responds. FREE shipping!