and Performance Parts and Accessories
A4721 - 1" Bore Manual Brake Polished Billet Aluminum Short Reservoir Master Cylinder Combo with Plain Cap
This 1" Bore short reservoir combination master cylinder features a built-in adjustable proportioning valve and wiring pigtail for rear brake light switch. Designed for low clearance mounting. Fits most GM mounting configurations.
Made in USA
Important: For manual front disc / rear drum or front disc / rear disc vehicles only. Will not work on 4 wheel drum vehicles.