4" lift w 40" tires

JK-Max Flares


Maximum clearance fender flares for your Jeep JK

Only 1.000000 left in stock - Ships within 1 business day! More stock coming soon.

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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