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Teraflex JK Big Brake Kit with Slotted Rotors

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.

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.

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 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.
Pricing: $719.14


Required Parts by Manufacturer:
The Heavy Duty Master Cylinder, 4303450, is required for JK Model years 2007,2008 and 2011 applications.

Product Details:
The simple upgrade installation requires no cutting, welding or adapter bracketry.
It is a simple bolt-on upgrade!
2009 and 2010 JK Models do not require the Heavy Duty Master Cylinder, but will benefit from its use.
In the event of no availability of the Heavy-Duty Master Cylinder, the 2009/2010 master cylinder can be used on the 2007/2008 models to gain a more acceptable pedal feel and function.
Parts Included:
(4) Teraflex JK Big Brake Pads
(2) Teraflex JK Big Brake Twin Piston Calipers
(2) Teraflex JK Big Brake Caliper Brackets
(2) Teraflex JK Big Brake Slotted Rotors
Years Covered:
2007, 2008, 2009, 2010, 2011, 2012, 2013 and 2014


2007-2014 Jeep Wrangler JK
2007-2014 Jeep Wrangler Unlimited JK


  • 4303420
  • 4303420
  • Teraflex
  • New


Shipping Information

  • Item Requires Shipping
  • 92.0 lbs.
  • W15.0000” x H13.0000” x L15.0000”

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