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TeraFlex JK Brake Master Cylinder Kit w/ Oversized Bore 4303450

Brake Master Cylinder

Pricing: $199.49


This JK brake master cylinder compensates for the larger caliper piston size with an oversized bore that has 14% more flow to provide greater fluid volume to the front Big Brake Kit. We highly recommend this master cylinder for 2007-2011 JKs with the Big Brake Kit to provide a firm pedal feel. 2012+ JKs do not need this kit. Note: Specific steps must be taken when bleeding the brake system, a bench bleed is recommended before installing the master cylinder into the Jeep. Slowly pump the pedal during the bleed process to avoid seal damage.


  • Material: Aluminum, steel
  • Title: TeraFlex Jeep Wrangler master cylinder


Shipping Information

  • Item Requires Shipping
  • 2.6 lbs.
  • W8.2500” x H4.3750” x L12.2500”

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