The TeraFlex JK/JKU Front Big Brake Kit is a must 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, welding, or adapters. FITS: JK Wrangler (2-door) JKU Wrangler Unlimited (4-door)INCLUDES: Brake calipers - pair Brake pads (# 4303430) - all 4 Front brake rotors (# 4303410) - pair FEATURES & BENEFITS: Improved braking performance over factory brake system Oversized 56mm (2. 2”) dual-piston calipers for increased clamping force & surface area Larger 13. 3” (338mm) rotors for superior stopping performance – stock is 11. 9” (302mm) Mill-balanced vented rotors for maximum heat dissipation Rotors feature dual bolt patterns – 5x5” & 5x5. 5” Composite-resin, semi-metallic pads have excellent cold-stopping power for maximum initial speed scrub w/ increased pad life & reduce noise & dust 100% bolt-on upgrade for easy installation NOTE: Requires a minimum of 17” diameter wheels. For better heat dissipation, Front Big Brake Kit w/ Slotted Brake Rotors (# 4303420) are also available. INSTALL TIME: 3 Hours