BEL8511 / 8511 - Application Notes Rear Shock (Each) - (Desired Lowering Amount) 73-87 C10 Pickup / Blazer / Jimmy (1/2 Ton) 2WD - (1-1/4” Rotor. Coil Drops Rated For V8 Engine Only) - (4-6”) 73-91 Suburban 1500 2WD - (1-1/4” Rotor) - (6”)