EVO ENGINE / TURBO / DRIVETRAIN Rev Limit of 4G63? We have an Evo 5 project with a slightly warmed 4G63 combination. Oliver H beam rods, GSC Stage I cams/GSC springs/retainers, Evo 9 Turbo, and good i ...

The 2012 Sierra 1500 is available in three cab sizes, three bed lengths, two-wheel drive, four-wheel drive, or all-wheel drive and with a base V-6 or five optional V-8 engines, and two transmissions.