6.2L LS3, AIR RIDE, WILWOOD DISCS, 6-SPEED MANUAL, CHEVY BADGING, 4-LINK REAR! If you're going to look as mean as this 1998 GMC Sierra, you better have the power to back it up. That's why it's running a 400+ horsepower LS3, a six-speed, and all the r...
