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Wilwood High Volume Tandem Master Cylinder - 1-1/8in Bore Ball Burnished (260-8556-P)

$304.85 $329.24
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Wilwood High Volume Tandem Master Cylinder - 1-1/8in Bore Ball Burnished (260-8556-P)
$304.85 $329.24
$304.85 $329.24

The Wilwood High Volume Tandem Master Cylinder (260-8556-P) provides a high-performance alternative to heavy cast iron OE units. Designed primarily for power brake applications using vacuum or hydraulic assist, this 1-1/8-inch bore master cylinder is machined from high-pressure die castings. At just 3 lbs, it delivers a 75% weight reduction over typical cast iron cylinders while maintaining superior structural integrity.

Engineered for versatility, this unit features a 1.10-inch stroke and a 2:1 volume ratio between the primary and secondary chambers. The universal mounting flange is slotted to accommodate 3.22-inch to 3.40-inch bolt spreads, a standard measurement for most domestic cars and trucks from the mid-1960s through the present. Dual fluid outlet ports on both sides of the bore offer flexible plumbing options for custom or restricted engine bays.

  • Bore Size: 1-1/8 inch (1.125")
  • Finish: Ball Burnished aluminum
  • Material: High-pressure die-cast aluminum
  • Stroke: 1.10"
  • Volume Ratio: 2:1
  • Mounting Flange: 3.22" to 3.40"
  • Weight: 3 lbs
  • Manufacturer Part Number: 260-8556-P

Note: This master cylinder is compatible with Wilwood combination proportioning valve kits (PN 260-13190) and retrofit kits (PN 220-13189) for a complete brake system solution.

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