2007 Chevrolet Silverado 1500 Classic 4.3 Liter V6 - 119.0" Wheelbase, Single Exhaust, Under 8600 G.V.W.R., Super Turbo System, Under 8600 G.V.W.R.; 2007 Chevrolet Silverado 1500 Classic 4.8 Liter V8 - 119.0" Wheelbase, Single Exhaust, Under 8600 G.V.W.R., Super Turbo System, Under 8600 G.V.W.R.; 2007 Chevrolet Silverado 1500 Classic 5.3 Liter V8 - 119.0" Wheelbase, Single Exhaust, Under 8600 G.V.W.R., Super Turbo System, Under 8600 G.V.W.R.; 2006-1999 Chevrolet Silverado 1500 4.3 Liter V6 - 119.0" Wheelbase, Single Exhaust, Super Turbo System, Under 8600 G.V.W.R.; 2006-1999 Chevrolet Silverado 1500 4.8 Liter V8 - 119.0" Wheelbase, Single Exhaust, Super Turbo System, Under 8600 G.V.W.R.; 2006-1999 Chevrolet Silverado 1500 5.3 Liter V8 - 119.0" Wheelbase, Single Exhaust, Super Turbo System, Under 8600 G.V.W.R.; 2007 GMC Sierra 1500 Classic 4.3 Liter V6 - 119.0" Wheelbase, Single Exhaust, Under 8600 G.V.W.R., Super Turbo System, Under 8600 G.V.W.R.; 2007 GMC Sierra 1500 Classic 4.8 Liter V8 - 119.0" Wheelbase, Single Exhaust, Under 8600 G.V.W.R., Super Turbo System, Under 8600 G.V.W.R.; 2007 GMC Sierra 1500 Classic 5.3 Liter V8 - 119.0" Wheelbase, Single Exhaust, Under 8600 G.V.W.R., Super Turbo System, Under 8600 G.V.W.R.; 2006-1999 GMC Sierra 1500 4.3 Liter V6 - 119.0" Wheelbase, Single Exhaust, Super Turbo System, Under 8600 G.V.W.R.; 2006-1999 GMC Sierra 1500 4.8 Liter V8 - 119.0" Wheelbase, Single Exhaust, Super Turbo System, Under 8600 G.V.W.R.; 2006-1999 GMC Sierra 1500 5.3 Liter V8 - 119.0" Wheelbase, Single Exhaust, Super Turbo System, Under 8600 G.V.W.R.