Alternative Brake Fluid Reservoir for dual circuit master cylinders - mounts directly on to the master cylinder. Excellent alternative for early vehicles that have been upgraded to a later dual circuit master cylinder, or for buggies / kits where there is nowhere to remote mount the reservoir. Pipes are 85mm apart (Std T1 spacing & some T2 cylinders). Outlet pipes are for 12mm/22mm grommets (357-611-817) check your inlets, 7mm is quite common. Quality: Good Quality Metrics: 85mm spacing, for 12mm grommets. Does not fit AC611002 Master Cylinder