4" lift w 40" tires

JK-Max Flares

$919.99 $799.99

Maximum clearance fender flares for your Jeep JK

Due to high demand, we're currently out of stock. Your order will ship as soon as it is manufactured (usually within 10 days of order).

Turn Signal Lights?

Product Description

These JK flares are top Notch!

If you’ve been searching for fender flares that allow a big tire AND look good, then you’ve found what you’re looking for. Our JK-Max flares allow a 35″ tire on a stock JK, 37″s with a 2″ lift, 38″s with a 3″ lift, and 40″ tires with a 4″ lift (some modifications will be required for 40″s). The JK-Max flares sit 1 inch wider and 3 3/4 inches taller than factory. Plus they still have the look you want with fitted turn signal lights in the front flares and an indent for an optional pinstripe.

  • Durable 3/16″ fiberglass construction – hand laid with woven reinforcement.
  • Arrives paint-ready (you’re not stuck with just black!)
  • All hardware included

These fiberglass fender flares are 1/4″, hand laid fiberglass with woven reinforcement, which means they’ll take a serious beating. Think about your buddy’s plastic pocket-style flares that he goes and “wacks bushes” with. Would you smash those with an 8 lb sledge? Would you take them off and drive over them? Would you stand on them and ride them down a flight of stairs like a surfboard? Well, we don’t recommend it, but we already did it for you. Check our our torture test video to the right, titled “Just How Tough?”

*Featured image shows a JK with a 4″ lift and 40″ tires

Additional Information

Weight 35 lbs
Dimensions 13.5 x 30 x 51.5 in
Tools Required

Razor blade/box cutter
Drill & 17/32″ bit
Safety glasses
Angle grinder
3/16″ hex wrench
5/8″ & 1/2″ wrenches for included install tool and nuts

Lifts & Tire Sizes

These are the coordinating lift and tire sizes that will fit with our JK-Max fender flares:

Stock (No Lift) – 35″ Tire
2″ Lift – 37″ Tire
3″ Lift – 38″ Tire
4″ Lift – 40″ Tire (Requires some modifications)


Click here to view detailed installation instructions online. You’ll find a step-by-step manual, with plenty of photos to help out.


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