Our Proflow aluminium GM-style master cylinders bring a classy look to your GM or street rod. They feature all-new components, raised or flat top style they will work on most GM vehicles equipped with power brake master cylinders. Polished or black finish. Manufactured from quality materials to ensure proper fitment.

  • 1 '' Inch Bore Size
  • High Quality Aluminum
  • Chrome Finish
  • 1/2 Inch - 20 Thread
  • 9/16 Inch - 18 Thread

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Proflow Master Cylinder, Universal GM, Flat Top Aluminium, Polished, 1.00 in. Bore, Dual Bowl, Ports Both side, Each

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Proflow Master Cylinder, GM Original Style 67-77, Cast Iron, Natural, 1-1/8 in. Bore, Dual Bowl, Left Port, GM Original Style 67-77

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Proflow Master Cylinder, Universal GM, Raised Top Aluminium, Black, 1.125 in. Bore, Dual Bowl, Ports Both side, Each

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Proflow Master Cylinder, Mopar For Chrysler 66-74,Cast Iron, Natural, 1-1/8 in. Bore, Dual Bowl, Disc/Drum, Each

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Proflow Master Cylinder, GM Universal, Cast Iron, Black, 1.00 in. Bore, Dual Bowl, Left Port, Each

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Proflow Master Cylinder, Flat Top Aluminium, Polished, 1.125 in. Bore, Dual Bowl, Ports Both side, Each

Proflow Master Cylinder, Flat Top Aluminium, Polished, 1.125 in. Bore, Dual Bowl, Ports Both side, Each

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