Wilwood Seven-Eighths Compact Remote Master Cylinder Rebuild Set, Piston and Seals

This rebuild set services the seven-eighths-inch Compact Remote master cylinder without replacing its body. The bore-specific piston and seals are supplied with the retaining and protective service components needed for the documented rebuild procedure. Established in 1977 by Bill Wood, Wilwood Engineering designs and manufactures disc brake systems from its base in Camarillo, California. Calipers, fittings, rotors, valves, master cylinders and brake lines serve its motorsport, street-performance and specialized applications. The full assembly, including its mating connections and operating requirements, governs the correct part selection.

Technical Details

• Manufacturer part number: 260-10516
• Component: Cylinder rebuild/service kit; replacement housing not included
• Service bore: 7/8"
• Service components: Piston/seal assembly, spring, dust boot, retaining ring and washer
• Housing condition: Do not hone the aluminum bore; replace a damaged or corroded cylinder

Fitment & Compatibility

Use on the identified Wilwood 260-10374, 260-12387 and 260-13621 cylinders. Confirm the model and bore together, and reject a pitted or scratched housing. Assembly, fluid lubrication and subsequent bleeding must follow the manufacturer's rebuild instructions.

Manufacturer Documents

• Wilwood product specifications
• Wilwood DS620 instructions and specifications
• Wilwood FL162 instructions and specifications

With more than 20 years of experience, PMB Performance can help compare the specified part with the assembly you are servicing. Include the existing part identification and relevant hydraulic dimensions.