BEL8005 / 8005 - Application Notes Front 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) - (0-2”) 73-87 C10 Pickup / Blazer / Jimmy (1/2 Ton) 2WD - (1-1/4” Rotor. Coil Drops Rated For V8 Engine Only) - (3-4”) 63-72 C10 Pickup 2WD - (Coils Rated For Small Block Engine) - (1-3”) 75-91 C30 Pickup 2WD - Crew Cab / Dually - (0”) 75-91 C30 Pickup 2WD - Crew Cab / Dually - (3-4”)