Jeep parts Replacement Parts For Jeep®, Chrysler & Dodge

Crown Automotive offers the largest line of replacement parts for Jeep®, as well as a growing line of parts for Chrysler & Dodge. Our applications include Axle, Body, Brake, Clutch, Cooling, Electrical, Engine, Fuel, Lamps, Mirrors, Steering, Suspension, Transmission & Wiper.

Big Brake Master Kit

Big Brake Master Kit
Replaces Part #: RT31050
Price: (Log in to see price)

This Part Fits The Following:

  • Jeep Wrangler (JK) (2007-2018); Front Big Brake & Brake Master Cylinder Kit.
  • Completely Bolt-On With No Cutting, Welding, or Spacers Required.
  • Includes Dual Piston Calipers w/ 54mm Pistons, Caliper Brackets, 13″ Diameter Rotors, Pads, Brake Master Cylinder, and All The Hardware Required For Installation.
  • Rotors Are Drilled For a 5 On 5″ Bolt Pattern
    30% Shorter 60-0 Distance
    17″ Wheels Are Required For Installation
    42% Increase In Caliper Piston Area
    15% Increase In Brake Pad Contact Patch
    9% Larger Brake Rotor
    10% Larger Brake Pad Surface Area On Rotor
    9% Increase In Leverage
  • NOTE: This Kit Will NOT Work On JK's With "MOAB" Wheels (Identified By 5 Large Spokes) Without Wheel Spacers.
  • Ships In 2 Boxes (47.4 Lbs; 42.6 Lbs); Assembled in USA With Components From USA & China.

Detailed Product Specs

  • Quantity Required: 1
  • Sold As: Kit
  • Packaging: Box

  • Weight: 101.00 pounds
  • Package Length (inches): 16
  • Package Width (inches): 16
  • Package Height (inches): 10.5
  • Additional Shipping: Yes
  • UPC Code: 849603027331

  • Brand: RT Off-Road
  • Vehicle Make: Jeep
  • Body Codes: JK
  • 2 or 4 Door: Any
  • LHD or RHD: Any
  • Group: Brake

  • Color: Unpainted,White,Black
  • Construction: Steel,Rubber,Aluminum,Plastic,Semi-Metallic
  • Hardware: Included & Use Existing Hardware
  • Position-Front or Rear: Front
  • Position-Inner or Outer: N/A
  • Position-Left or Right: Left & Right
  • Position-Upper or Lower: N/A

  • Axle: Any
  • Engine: Any
  • Transfer Case: Any
  • Transmission: Any


Instructions are available for this product. Please use the following link to view or download the PDF instruction sheet. To download, right-click the link and select "Save Link As..." (or something similar).



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