DURAMAX PLUS PACKAGE - PCH(L5P) Duramax 6.6L Turbo-Diesel V8 engine, (MW7) Allison 1000 6-speed automatic transmission, (GT4) 3.73 rear axle ratio, (K05) engine block heater and (K40) exhaust brake (Includes (VQY) chrome recovery hooks, LPO.)
ENTERTAINMENT PACKAGE, REAR SEAT DVD/BLU-RAY PLAYER - U429.2 inch LCD display, 2 sets of wireless headphones and A/V remote control
GOOSENECK / 5TH WHEEL PREP PACKAGE -- HITCH PLATFORM TO ACCEPT GOOSENECK OR FIFTH WHEEL HITCH. - Z6AHitch platform with tray to accept ball and drilled box holes with caps installed, box mounted 7-pin trailer harness (similar to (UY2) harness).
HIGH COUNTRY PREFERRED EQUIPMENT GROUP - 3LZstandard equipment
SUSPENSION PACKAGE, STANDARD - Z8551mm twin tube shock absorbers and 33mm front stabilizer bar