Seal kit for 0.7" rear wheel cylinder. You might need a wheel cylinder fitting kit GRSP2862. If the cylinders is unserviceable, fit a complete unit GWC1154
Revington TR information: Various rear wheel cylinder sizes were used on Girling braking systems from TR3 to TR6. The cylinders can be interchanged to affect front to Back brake bias. If in doubt fit what was there originally. See... READ MORE