K 1500 Truck 4WD V8-5.7L VIN R (1997)
Brake Rotor/Disc: Application and ID
The front disc brakes use one of four different styles of rotors. The smaller two wheel drive models (C1, C2 and C3) use standard 1.250 inch rotors. The
heavy duty two wheel drive model (C 3500HD) has four wheel disc brakes with 1.435 inch rotors. The smaller four wheel drive models (K1 and K2) use
a composite rotor. The larger four wheel drive models (K2 and K3) use 1.250 inch rotors on single wheel models and 1.5 inch rotors on dual wheel
models. These are three-piece assemblies consisting of a rotor, bearings, and hub. Models with dual rear wheels (RO5) use a four-piece rotor assembly
consisting of a rotor, bearings, hub, and extension.