If you want a bigger punch from your 5.3- or 6.2-liter GM truck or SUV, the folks at Lingenfelter have got you covered with ...

In addition to the 6.2L V8, Silverado 1500 and Sierra 1500 will offer a 4.3L V-6 SAE-certified at 285 horsepower and 305 lb-ft of torque and a 5.3L V-8 certified at 355 horsepower and 383 lb-ft of ...