The new 7" Dual Diaphragm power brake booster kit is zinc plated.
Before a yellow zinc finish is applied, this 7" power booster is hand polished for a top quality finish.
The mounting brackets for the booster are a direct fit to your factory firewall.
Included in this kit is a new master cylinder with a 1" bore, suitable for most front disc/rear drum or 4 wheel disc brake applications.
Master Cylinder Bore Size: 1 in, Bowl Design: Dual Bowl, Master Cylinder Material: Cast Iron, Master Cylinder Finish: Natural, Reservoir Included: Yes, Reservoir Material: Cast Iron, Master Cylinder Cap Included: Yes, Brake Booster Type: Dual Diaphragm, Brake Booster Diameter (in): 7, Booster Material: Steel, Brake Booster Finish: Zinc, Brake Pedal Rod Extension Included: Yes, Mounting Hardware Included: Uses Original, Quantity: Kit.