JK/JKU Rear Performance Slotted Big Rotor Kit

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  • Regular price $520.99

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The TeraFlex JK/JKU Rear Performance Slotted Big Rotor Kit is an affordable upgrade for JK Wrangler and JKU Wrangler Unlimited models requiring increased braking performance with oversized - and heavier - wheels and 33-35" tires. This simple bolt-on upgrade doesn't require cutting or welding.


• JK Wrangler (2-door)
• JKU Wrangler Unlimited (4-door)


• Rear brake caliper relocating anchor brackets - pair
• Rear slotted brake rotors - pair


• Improved braking performance over factory brake system
• Brake caliper relocating anchor brackets retain factory brake calipers & pads
• No brake bleeding or brake line modification required
• Retains internal factory parking brake
• Larger 13.5" (343mm) machined rotor for superior stopping performance
• Slotted rotors offer better heat dissipation than smooth rotors
• Mill-balanced rotors for maximum heat dissipation
• External cooling fins for maximum heat dissipation
• Rotors feature dual bolt patterns - 5x5" & 5x5.5"
• 100% bolt-on upgrade for easy installation w/ basic hand tools


• Requires a minimum of 17" diameter wheels.

• An 8-lug option is available but must be purchased in combination w/ the TeraFlex Full-Float Kit (# 3043000 or # 3043200).

• Rear Performance Big Rotor Kit w/ standard brake rotors (# 4304450) also available.