Description:

[Vehicle Fitment]: Compatible with Chevrolet C10 Panel, C20 Pickup, C30 Panel, C40, K10 Pickup, K20 Pickup, P10 Series, Suburban, Fit For GMC 1000/1500/2500/ Series, 3000, 3500, K100, K1000 Pickup, K15/K1500 Pickup, P1000, PB1000 Series, PB3500 Van, Suburban. [Reference Number]: The A-Premiumbrake master cylinder's reference number: 2621033, 3769215, 5464510, 5467734, MC34404, M87167. [Function]: Pressure tested to ensure safe and reliable braking; Excellent materials and precision manufacturing to give sufficient pressure and extend lifespan.. [Specification]: Material: Aluminum; Master Cylinder Bore Diameter: 1.125 inch; Rearward Outlet Size: 7/16-24; Secondary Outlet Thread Diameter: 7/16-24.