Compatible with 1973-1986 Chevy C10 1973-1978 GMC C15. 1973-1987 FOR GMC Sierra C15. 1973-1987 FOR Chevy Silverado C10. Interchange Part NumberRear, Drop, Lowering, Leveling, Suspension, Rear L, Shock, Extender, Extension, Bracket, Relocater, S, Silverado, Custom Deluxe, Scottsdale, Big Ten,, Cheyenne, Sierra, Heavy Half, High Sierra, Sierra.
