This Type 2 Brake Cylinder comes with a Reservoir that attaches directly for easy installation. No adaptors or spacers this Master Cylinder was designed for the reservoir. Perfect for replacement for 73-79 Bus with no need to source a stock reservoir or for your 68-79 Disc Brake Conversion. Without Servo/Power Brakes, 23.8mm Bore. This Master Cylinder does not have an internal residual valve. May require some modification.