Product Overview
The TeraFlex JK: Front Big Brake Kit is vital for JK Wrangler/Unlimited models with oversized and heavier wheel/tire combos requiring increased braking performance. A must for 33-35” tires.
This simple bolt-on upgrade doesn’t require cutting, welding, or adapters.
Fits:
• JK Wrangler (2-door)
• JK Wrangler Unlimited (4-door)
Includes:
• Front Big Brake Calipers – pair
• Front Big Brake Pads (# 4303430) – all 4
• Front Slotted Brake Rotor – Left – 5x5” & 5x5.5” (# 4303412)
• Front Slotted Brake Rotor – Right – 5x5” & 5x5.5” (# 4303411)
• 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
• Oversized 56mm (2.2”) dual-piston calipers for increased clamping force and surface area
• Larger 13.3” rotors for superior stopping performance (vs. 11.9” stock rotors)
• Slotted rotors offer better gas dissipation than smooth rotors
• Mill-balanced vented rotors for maximum heat dissipation
• Composite-resin, semi-metallic pads have excellent full temperature stopping power for maximum initial speed scrub w/ increased pad life and reduce noise and dust
Note(s):
• Requires a minimum wheel diameter of 17”.
• On 2007-2011 JK Wrangler/Unlimited models, we recommend upgrading the stock master cylinder to our Brake Master Cylinder Kit w/ Oversized Bore (# 4303450).
Install Time: 3 Hours
Configurations:
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)