Fits Girling integral reservoirs measuring 2.5" diameter. Cap measures 2.75" outside diameter. Sold individually (two are pictured to show top and bottom views).
Note: This cap does not fit the Girling master cylinders we stock. We have never sold the large-reservoir master cylinders which this cap fits.
The Girling master cylinders we carry use the smaller Aluminum Cap for Girling Master Cylinder with Small Integral Reservoir, Part No. 3549.