Made in the USA Since 2006

Jeep R1 Concepts Big Brake Kit, for Rock Jock Rear axle

MSRP: $2,199.99
Was: $2,199.99
Now: $1,999.99
( saved $200.00 )
No reviews yet Write a Review

This is the Performance Big Brake Package from R1 Concepts for the REAR of an off road Jeep with a Currie Rock Jock rear axle.

• Gains in performance over stock braking system:

- Up to 30% reduction in disc temperature rise
- Up to 26% reduction in pad work rate
- Up to 25% reduction in pedal effort


• Billet Aluminum 4 piston brake caliper housing providing maximum strength and stiffness as well as high resistance to impact and fatigue
• Powder Coated finish for maximum corrosion protection
• High friction pads increase stopping power
• Larger 356mm (14") diameter vented brake rotors increase brake torque and thermal capacity, reducing potential for brake fade
• Increased pad area and machined half-moon reliefs reduce temperatures and increases pad life


• High temperature seal material as used in highest levels of motorsport.
• Wiper seal on every piston for dirt exclusion.
• Fits many 17" and larger aftermarket wheels.
• Compatible with stock OEM brake booster and traction systems.
• Retains and utilizes OEM parking brake.

Oh yeah - we have tested them on our Jeeps!


  • Designed to fit all stock Currie Rock Jock Dana 60 or 70 rear axles with a 5 on 5-1/2 bolt pattern.
  • We also offer a matching R1 brake package for the FRONT.
  • Stock Jeep JK bolt pattern is 5 on 5"