Due to extremely large order volume and limited product availability our order processing times are currently a minimum of 15-20 business days + shipping.
UPS and FedEx have suspended delivery guarantees on expedited shipments (such as overnight, 2-day, and 3-day).



JK: Front Performance Big Rotor Kit w/ Vented Rotors – 5x5” & 5x5.5”

SKU 4303480
Up Down

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

TeraFlex JK: Front 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)


• Front brake caliper relocation anchor brackets – pair

• Front Vented Brake Rotors – 5x5” & 5x5.5” (# 4303410) – 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)

• Mill-balanced vented front rotors for maximum heat dissipation


• Requires a minimum wheel diameter of 17”.

• An 8-lug option is available but must be purchased in combination w/ the Dana 30/44 Front Axle 8-Lug Locking Hub Conversion Kit.

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:  59.0 lbs

Vehicle Type:
JK Wrangler
JKU Wrangler Unlimited

Others Also Bought:
Log in to review this item!
November 21st 2015
David Longwell
This brake kit was the best thing I ever put on my JK.
June 24th 2016
Just installed and this rates a 10. 1/2 hour install and even tho instructions said it will take a while for the pads to wear into the rotors I had instant increased stopping power. Well worth the money.
December 2nd 2016
Randal Keller
Just installed the Large rotors, makes a huge difference!!!!! very easy to install ordering a kit for the rear in a few days, cant believe the difference------