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Double Black Offroad

TeraFlex Jeep JK Big Brake Kit

The TeraFlex front JK Big Brake Kit is designed as a factory brake upgrade for JK owners looking for a performance brake package that will handle the increased braking requirements needed after larger wheels and tires are used.
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Kit includes:

  • Calipers - The oversize twin-piston brake caliper provides for more clamping force, with an increased surface area while decreasing brake fade.  The oversize caliper will provide a more efficient method of heat dissipation for increased stopping power.
  • Rotors - High performance 13.3” mill-balanced vented rotors keep the braking system cool for maximum stopping in all conditions.  The dual wheel bolt pattern 5 on 5" and 5 on 5.5" allows for use on multiple wheel applications.  A premium e-coat finish is durable and resists rust.
  • Pads - Pads are high performance optimized to provide maximum surface area and reduce brake dust and noise during extreme braking.  The composite-resin, semi-metallic pads increase the lifetime of the brake system.


The Heavy Duty Master Cylinder Part # TF4303450 is required for JK model years 2007, 2008 and 2011 applications.  2009 and 2010 models do not require the Heavy Duty Master Cylinder TF4303450 but will benefit from its use.  In the event of no availability of the heavy duty TF4303450 A master cylinder from a 2009/10 JK can be used on the 2007/8 models to gain a more acceptable pedal feel and function.

Kit fits:    Wrangler JK Unlimited 07+, Wrangler JK 07+