Brake Caliper DynaPro 4 Piston Lug Mount.
Piston Bore Sizes: 1.38'' / 1.38''.
Brake Disc Width: 1.25''.
Universal Mount with Black Anodized Finish.
Vehicle Applications include Street Rods, Heavy Duty Street Performance, Domestic, Heavy Duty Street Performance Import, Heavy Duty Rally Medium Duty, Road Race Medium Duty, Late Model Dirt STARS, UMP, IMCA, etc., Heavy Duty Northeast Modified, Dirt or Pavement Medium Duty, Open Wheel Sprint, Midget, etc., Dirt or Pavement Medium Duty Off Road Medium Duty, Industrial Medium Duty, and Drag Racing Heavy Duty.