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Wilwood High Volume Tandem Aluminum Master Cylinder - 1-1/8in Bore - Black

$304.85 $329.24
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Wilwood High Volume Tandem Aluminum Master Cylinder - 1-1/8in Bore - Black
$304.85 $329.24
$304.85 $329.24

Designed for performance and weight reduction, the Wilwood 260-8556-BK High Volume Tandem Master Cylinder is a high-pressure aluminum die-cast alternative to heavy cast iron OE units. Weighing only 3 lbs, this unit provides a 75% weight savings over traditional master cylinders. This 1-1/8" bore version is engineered primarily for power brake applications utilizing either vacuum or hydraulic assist systems.

The master cylinder features a slotted mounting flange designed to accommodate measurements from 3.22" to 3.40", making it a direct fit for many domestic cars and trucks from the mid-1960s to present. For plumbing flexibility, it offers fluid outlet ports on both sides of the bore.

  • Bore Size: 1-1/8"
  • Finish: Black e-coat
  • Material: High-pressure die-cast aluminum
  • Stroke: 1.10"
  • Volume Ratio: 2:1 (primary to secondary)
  • Weight: 3.0 lbs
  • Mounting Flange: 3.22" to 3.40" spread
  • Outlet Ports: Dual-sided
  • Manufacturer Part Number: 260-8556-BK

This unit is compatible with Wilwood combination proportioning valve kits (PN 260-13190) or retrofit kits (PN 220-13189) for complete brake system optimization.

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