Revolution Soft Roll Up Tonneau Cover Fits 68.4 in./5 ft. 8.4 in. Bed ;Type: Soft Roll Up Tonneau; Installation Time: 15 Minutes; Mounting System: No Drilling, No Damage. Horseshoe Shaped Pin. Clamp Installs directly into pre-drilled holes in provided siderails; Material: Aluminum Rails with Vinyl Tarp; Shipping Method: UPS; Warranty: Lifetime Frame & Tarp CHEVROLET GMC SIERRA 1500 SIERRA 1500 CLASSIC SILVERADO 1500 SILVERADO 1500 CLASSIC CLASSIC DENALI CLASSIC LS CLASSIC LT CLASSIC SL CLASSIC SLE CLASSIC SLT DENALI LS LT SL SLE SLT Z71 2004 2005 2006 2007 4.3L (262) Vortec 4.3L LU3 (262) Vortec 4.8L GEN III LR4 Vortec (294) 5.3L GEN III Flex L59 Vortec (325) 5.3L GEN III L33 Vortec (325) 5.3L GEN III LM7 Vortec (325) 6L GEN III LQ4 Vortec (364) 6L GEN III LQ9 HO Vortec (364) FLEX GAS Extang Extang Revolution Soft Roll Up Tonneau Cover - 54625 54625 Tonneau Cover