Untitled Document
MenuWilwood High Volume Tandem For Master Cylinder - 1 1/8in Bore, Ball BurnishedPRODUCT DESCRIPTIONWilwood Tandem Aluminum Master Cylinder — 1-1/8” Bore for Manual & Power Brake
High-performance, lightweight master cylinder engineered for power-assisted braking systems. The 1-1/8” bore is optimized for vacuum or hydraulic assist, delivering firm pedal feel, consistent fluid control, and reliable performance for street and track.
Key Features
- Bore: 1-1/8” — ideal for power brake applications
- High-volume tandem design: 2:1 volume ratio between primary and secondary chambers for balanced braking
- Construction: Precision-machined aluminum die casting (approximately 3 lbs, significantly lighter than OE cast iron)
- Fluid outlet ports: Ports on both sides for flexible plumbing and easy installation
- Mounting: Flange spacing 3.22”–3.40” to fit most domestic cars and trucks from the mid-1960s to present
- Finish options: Plain, ball-burnished, or durable black e-coat for corrosion resistance
- Application-ready: Designed for restorations, performance upgrades, and custom brake systems
Product DetailsBrandWilwoodPart Number260-8556-PUPC889545068009Bore Size1-1/8”Stroke1.10”Volume Ratio2:1 (primary:secondary)Approx. Weight3 lbsMount Flange Spacing3.22”–3.40”
Pairing option: For a complete brake system solution, Wilwood combination proportioning valve kits are available for use with this master cylinder (PN 260-13190 or retrofit PN 220-13189).
We accept the following payment methods:
✓ PayPal
✓ All Major Credit Cards
Visa, Mastercard, American Express, Discover
VISAMastercardAmerican ExpressDISCOVER
- Shipping and Handling Charges Are Free unless specified in the listing.
- Hawaii and Alaska orders will have an increase in shipping costs.
- **We will notify you if there is an increase in the shipping charge or inyour order prior to billing Carrier: Most of our packages are shipped via Fedex and USPS.
- International Shipments, APO/FPO, P.O. Boxes and shipments to Alaska and Hawaii will be shipped via USPS.
- If a special shipping method is required please send us a message and we will do our best to help you out.
- **We have the right to change the carrier under certain
