Engine, Vortec 6.0L Variable Valve Timing V8 SFI E85-compatible FlexFuel capable of running on unleaded or up to 85% ethanol (360 hp [268.4 kW] at 5400 rpm, 380 lb-ft of torque [513.0 N-m] at 4200 rpm) with (E63) wideside pickup box; (322 hp [240.1 kW] at 4400 rpm, 380 lb-ft of torque [513.0 N-m] at 4200 rpm) with (ZW9) pickup box delete (Does not include E85 capability with (ZW9) pickup box delete.)
Rear axle, 3.73 ratio
Suspension Package, Handling/Trailering, heavy-duty includes 35mm twin tube shock absorbers and 36mm front stabilizer bar
Pickup box, Wideside
GVWR, 9500 lbs. (4309 kg) (Requires (L96) Vortec 6.0L V8 SFI engine. Not available on TC20903 or TK20943 models.)
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