The Super Large Bore Valve System was developed in 1972. There are four parts to the valve and a unique inflator is also needed to maximise the air flow

The Super Large bore System is FOUR times faster than a Large Bore Valve.

• Clamp-in spuds
• Screw-in spuds
• Swivel angle connector
• MT:3000 Flexible extension

(Flexible extensions are made up in any length to allow the extension to fit the wheel configuration)
• R-520 Core housing
• TR-L-860 Check valve
• 6190 Quick connection inflation chuck
• IN-80A Super large bore inflator
• Rigid metal swivel valves
• Super large bore air-liquid valve for tractor and grader