Wilwood
Wilwood - 300-3054SPACER,BRIDGE,CALIPER,GNIII,3.085 LG 1.38 ROTORBridge Bolt Tubes for Wilwood GNIII calipers. With a .318” ID, .500” OD and 3.085” length for 1.38” rotor width. Made from high strength aluminum alloy and anodized for corrosion resistance.