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JK: Rear Performance Big Rotor Kit w/ Solid Rotors – 5x5” & 5x5.5”

SKU 4304450
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This item ships for free! (Continental U.S. only)

TeraFlex JK: Rear Performance Big Rotor Kits are an affordable upgrade for JK Wrangler/Unlimited models with oversized and heavier wheels/tire combos requiring increased braking performance. A must for 33-35” tires.

This simple bolt-on upgrade doesn’t require cutting, welding, or adapters.


• JK Wrangler (2-door)

• JK Wrangler Unlimited (4-door)


• Rear brake caliper relocation anchor brackets – pair

• Rear Solid Brake Rotors – 5x5” & 5x5.5” (# 4304410) – pair

• All necessary hardware

Features & Benefits:

• Min. Wheel Diameter: 17”

• Rotors feature dual bolt patterns – 5x5” and 5x5.5”

• Improved braking performance over factory brake system

• 100% bolt-on upgrade w/ basic hand tools

• Brake caliper relocation anchor brackets retain factory brake calipers and pads

• No brake bleeding or brake line modification needed

• Larger 13.3” rotors for superior stopping performance (vs. 11.9” stock rotors)


• Requires a minimum wheel diameter of 17”.

• An 8-lug option is available but must be purchased in combination w/ the Rear Axle 8-Lug Full-Float Conversion Kit (Dana 44 or Dana 44 Wide or Tera CRD60).

Install Time: 2 Hours


Front Big Brake Kits:

• w/ Slotted Rotors (# 4303420)

• w/ Vented Rotors (# 4303400)

Performance Big Rotor Kits:

• Front Kit w/ Slotted Rotors (# 4303490)

• Front Kit w/ Vented Rotors (# 4303480)

• Rear Kit w/ Slotted Rotors (# 4304460)

• Rear Kit w/ Solid Rotors (# 4304450)

Replacement Parts:

• Front Big Brake Kit Pads – All 4 (# 4303430)

• Slotted Rotor – Front Left (# 4303412)

• Slotted Rotor – Front Right (# 4303411)

• Vented Rotor – Front - Each (# 4303410)

• Slotted Rotor – Rear Left (# 4304412)

• Slotted Rotor – Rear Right (# 4304411)

• Solid Rotor – Rear – Each (# 4304410)

Weight:  52.8 lbs

Vehicle Type:
JK Wrangler
JKU Wrangler Unlimited

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November 21st 2015
David Longwell
When I add the rear brake kit to the front brake kit it made the world differents how the Jk stops normal.
November 27th 2020
Joe G.
Parts are great. Stops a lot better then stock. BUT! assume you will have to replace the e brake pads if your going to replace the rear rotors. Caught me way off guard in this project.