New rubber seals and cups prevent leakage. All rubber meets SAE specifications. Piston assemblies 100% height-gauged to meet or exceed OE performance. Piston bores meet strict micro-finish specifications to eliminate pitting and corrosion. Bleeder kits and instructions provided Every unit is 100% tested to ensure quality and reliability Brand: A1 Cardone Package Dimensions: 9.500 x 5.500 x 4.625 inches UPC: 082617004602 Bore Diameter (N): 1.125" E-Waste: No Installation Hardware Included: No Master Cylinder Color/Finish: Gray Master Cylinder Material: Cast Iron Mounting Hole Quantity: 2 Package Contents: Master Cylinder Port Count: 2 Primary Port Size: 9/16 x 18 Product Condition: Remanufactured Reservoir Included: Yes Reservoir Material: Cast Iron Reservoir Type: Integral Secondary Port Size: 1/2 x 20 Country of Origin: MX Remanufactured Part: Y Product Line Marketing Stmt: CARDONE Industries, Inc. is the remanufactured parts supplier to the O.E.Ms. We are the only remanufacturer in the world with over 45 years' experience in mechanical, hydraulic and electronic parts repair. Through reverse-engineering, our product engineers are able to determine where - and why - original parts fail. We re-engineer our A1 CARDONE(R) Reman parts for stronger, longer-lasting performance. We build it better. Learn more at Cardone.com.