Chevrolet C/K_6.6' Standard Bed 1973-1998, Chevrolet Silverado_6.6' Standard Bed 6.6' 1999-Present, Dodge Ram_6.3'-6.5' Standard Bed 1973-Present, Ford F150 /250/350_6.5'-6.7' Standard Bed 1974-Present, GMC C/K_6.6' Standard Bed 1973-1998, GMC Sierra_6.6' Standard Bed 1999-Present, Nissan Titan_6.5' Standard Bed 2004-Present, Toyota Tundra_6.5' Standard Bed 2000-Present.