Strength, functionality and great looks, for professional quality are yours with the Challenger line of storages boxes. Each box features twin commercial gas struts that lift lid automatically for easy, one-handed use; lockable, quick-release stainless handles and patent pending structured foam filled lids that can stand up to even the most challenging loads. Seams are hand wielded for durability and strength and lids are bolted on to box body using a single heavy duty aluminum, piano style hinge for years of reliable service. Rust resistant black powder coated finish is electro-statically applied for maximum protection against wear and harsh weather conditions. Challenger Low Profile Single Lid Crossover Storage Box 1975-1986 Chevrolet C10 Fleetside, 1961-1974 Chevrolet C10 Pickup Fleetside, 1988-1999 Chevrolet C1500 Fleetside, 1975-1986 Chevrolet C20 Fleetside, 1961-1974 Chevrolet C20 Pickup Fleetside, 1988-2000 Chevrolet C2500 Fleetside, 1975-1986 Chevrolet C30 Fleetside, 1961-1974 Chevrolet C30 Pickup Fleetside, 1988-2000 Chevrolet C3500 Fleetside, 1975-1986 Chevrolet K10 Fleetside, 1961-1974 Chevrolet K10 Pickup Fleetside, 1988-1999 Chevrolet K1500 Fleetside, 1975-1986 Chevrolet K20 Fleetside, 1961-1974 Chevrolet K20 Pickup Fleetside, 1988-2000 Chevrolet K2500 Fleetside, 1977-1986 Chevrolet K30 Fleetside, 1968-1974 Chevrolet K30 Pickup Fleetside, 1988-2000 Chevrolet K3500 Fleetside, 1987 Chevrolet R10 Fleetside, 1987-1988 Chevrolet R20 Fleetside, 1989 Chevrolet R2500 Fleetside, 1987-1988 Chevrolet R30 Fleetside, 1989-1991 Chevrolet R3500 Fleetside, 1999-2010 Chevrolet Silverado 1500 Fleetside, 2007 Chevrolet Silverado 1500 Classic Fleetside, 2001-2003 Chevrolet Silverado 1500 HD Fleetside, 2005-2006 Chevrolet Silverado 1500 HD Fleetside, 2007 Chevrolet Silverado 1500 HD Classic Fleetside, 1999-2004 Chevrolet Silverado 2500 Fleetside, 2001-2010 Chevrolet Silverado 2500 HD Fleetside, 2007 Chevrolet Silverado 2500 HD Classic Fleetside, 2001-2006 Chevrolet Silverado 3500 Fleetside, 2007 Chevrolet Silverado 3500 Classic Fleetside, 2007-2010 Chevrolet Silverado 3500 HD Fleetside, 1987 Chevrolet V10 Fleetside, 1987 Chevrolet V20 Fleetside, 1987-1988 Chevrolet V30 Fleetside, 1989-1991 Chevrolet V3500 Fleetside, 1975 Dodge D100 Fleetside, 1984-1989 Dodge D100 Fleetside, 1976-1979 Dodge D100 Custom Fleetside, 1968-1974 Dodge D100 Pickup Fleetside, 1961-1967 Dodge D100 Series Fleetside, 1977 Dodge D150 Fleetside, 1980-1993 Dodge D150 Fleetside, 1978-1979 Dodge D150 Base Fleetside, 1975-1980 Dodge D200 Fleetside, 1968-1974 Dodge D200 Pickup Fleetside, 1961-1967 Dodge D200 Series Fleetside, 1981-1993 Dodge D250 Fleetside ...See Application Guide for Additional Fitments