1976-1978 GMC K25. 1977 GMC K25. 1978 GMC K25. Prevents Premature Wear, Providing Longer Brake Life And Performance. Position: Rear. Minimizes Drag To Improve Fuel Efficiency. Fit Notes: JB7 Brakes; GM & Dana 44-5F & 44-6F Axles; Hub & Rotor Assembly.
