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JK Brake Master Cylinder Kit W/Oversized Bore 07-Pres Wrangler JK TeraFlex

TERA 4303450
Pricing: $249.99


This JK brake master cylinder compensates for the larger caliper piston size with an oversized bore that has 14 Percent 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.

  • 07-11 Jeep Wrangler JK
  • 07-11 Jeep Wrangler Unlimited JK


  • JK Brake Master Cylinder Kit w/Oversized Bore
  • Has 14 Percent More Flow To Compensate Larger Caliper Piston Bores
  • Needed For Big Brake Kit To Provide Firm Pedal Feel
  • Includes Reservoir
  • Not Needed For 2012-Present JKs


  • 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.



Shipping Information

  • Item Requires Shipping
  • 2.6 lbs.
  • W8.2500” x H4.3800” x L12.2500”

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