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Heavy-Duty 6mm Aluminum. 100% Bolt-On Protection. Zero Drilling Required.
The Ultimate Shield for Your JK UnlimitedThe Asfir 4x4 3-Piece Skid Plate Kit provides comprehensive underbody coverage for the Jeep Wrangler JK LWB (4-Door) models. Whether you are running the classic 3.8L engine or the later 3.6L Pentastar, this kit is engineered to safeguard your vehicle's most expensive and vulnerable components.
Built from precision laser-cut 1/4" (6mm) high-grade aluminum, this kit offers a massive strength advantage without the fuel-draining weight of traditional steel armor. It is the perfect balance of trail durability and daily-driver efficiency.
The Problem & The Solution:The Pain: Most aftermarket armor is made of heavy steel that eventually chips, rusts, and makes your Jeep sluggish. Permanent drilling into the chassis can also lead to long-term corrosion and lower resale value.
The Asfir Solution: Our 100% Bolt-On aluminum plates are naturally corrosion-resistant, 40% lighter than steel, and use existing factory mounting points for a clean, non-invasive install.
Armor Built for the Hardest Trails
Designed specifically for the JK chassis, this kit uses zinc-coated steel brackets to bolt directly into existing holes. No modifications to your Jeep are required.
Integrated ventilation slots prevent heat soak in your engine and transmission during slow-speed crawling, while drain holes allow mud and water to escape.
Reinforced with stiffening ribs in high-impact zones, these plates are engineered to slide over rocks rather than buckling or snagging.
At only 80 lbs for the entire kit, you keep your center of gravity low and prevent suspension sag, preserving your JK’s handling and MPG.
Engineered with PrecisionAsfir 4x4 armor is designed and tested in the harsh conditions of the Middle East. Every piece is laser-cut for a perfect fit, ensuring that critical components like the transfer case and engine oil pan remain untouched even when the trail turns aggressive.
80 lbs Total Weight 1/4" 6mm Thickness 3.6 & 3.8 Engine Fitment 6061-T6 Aluminum Alloy
"Living on the coast, steel armor usually turns into a pile of rust within two years. These Asfir aluminum plates have been on my JK Unlimited for three years now, and they still look new. They've saved my fuel tank from several sharp rocks on the Rubicon Trail. Easy install and zero rattling!"
- Dave L., JK Unlimited Rubicon Owner*Estimated out-of-pocket costs including parts, labor, and towing.
| Feature | Asfir Aluminum Kit | Generic Steel Armor |
|---|---|---|
| Material Weight | ✓ Lightweight 80 lbs | ✗ Heavy 140+ lbs |
| Rust Resistance | ✓ Marine-Grade Aluminum | ✗ Prone to Corrosion |
| Maintenance | ✓ Built-in Drain Ports | ✗ Debris Trap (Needs Removal) |
| Installation | ✓ 100% Bolt-On | Varies |
This kit provides end-to-end protection specifically for the Long Wheelbase (LWB) 4-Door Wrangler JK:
All mounting hardware and vehicle-specific brackets are included in the box.
No, this specific 3-piece kit is designed for the 4-Door (LWB/Unlimited) model due to the specific length of the fuel tank and transfer case positioning. Please see our 2-Door specific listings for the SWB models.
Asfir plates are designed with serviceability in mind. The engine skid plate includes precision apertures to allow access to the drain plug, significantly reducing maintenance time compared to generic armor.
6mm (1/4") aluminum is highly effective off-road. It can absorb significant energy by flexing slightly and returning to shape. Unlike steel, it won't rust or weaken if the surface is scratched or gouged on a trail.
Yes. We offer components for the 2007-2011 3.8L engine and the 2012-2018 3.6L engine. While the chassis mounting points remain consistent, the kit is provided with the specific engine/transmission plate required for your model year.
No special tools are needed. Standard metric socket sets and wrenches are all that’s required for the bolt-on installation into factory mounting points.
California Residents
Prop 65 Warning- Product may contain chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov
Proposition 65 is a California law passed in 1986. Its goals are to protect drinking water sources from toxic substances that may cause cancer and birth defects and to reduce or eliminate exposures to those chemicals generally, for example in consumer products, by requiring warnings in advance of those exposures.
The regulation requires the State of California to revise and republish yearly a list of chemicals known to the State of California to cause cancer or birth defects or other reproductive harm. The current list contains over 900 naturally occurring and synthetic chemicals. This regulation also requires manufacturers to place warnings on products that contain any of the chemicals listed by the State of California. No other states require warnings of this nature, and products with Prop 65 warning language are legal to sell in all states. Detailed information regarding requirements for compliance to the California Prop. 65 is can be found at: www.P65Warning.ca.gov
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Here's why we think you should shop with us at ExtrailAuto.
The wait time was more than I anticipated even after seeing the notification of long lead times. I have to give them props for giving some compensation for the excessive wait time. Having slightly larger holes would help with fitment. Had a hard time getting the front drivers side away from the pinch weld. Eventually had to use washers to add space away from the truck. Need to update pictures and instalation video for the new sliders they are now making
All packing and shipment were great, everything was there. I had to contract out the install because of arthritis, it took them two hours and looks perfect. Zero wind noise at any speed 0 to 100.
Absolutely love my new rack and roam cases. Appreciate the Sherpa crew as well for their hospitality while the installation was taking place.
Fit and finish is excellent. Looks great on the Bronco. No whistling noise at all, some additional wind noise over 60mph but not much different than it was without the rack. Assembly was not too difficult. Instructions and videos could be a little better.
The quality and dedication of the team at Sherpa is evident from the very first interaction with them, and is further proven in the product itself. This rack is well engineered, easy to assemble, easy to adjust, and holds up incredibly well with no loosening or rattling or shifting (even after over 200 miles of driving on poorly maintained roads). Currently operating with approximately 180 pounds of gear mounted on the bed rack and no issues at all so far. I expected the vibration to work the bolts loose over time, but every time I check they're all still snug. My only regret is that I didn't pull the trigger and get this rack sooner.
First of all, the team at Sherpa is full of passion for adventure and that passion shows in the quality of their products. This roof rack looks incredible and surprised me with it's sturdiness. No loosening of hardware, even after weeks of driving. Currently holding approximately 80 pounds of gear for everyday driving, plus an additional 110 strapped on top during a camping trip (and I even stood on top of the entire loadout). No warping, bending, twisting, or slipping. The fact that this matches the bed rack perfectly in height is the icing on the cake. Easily serves as a tie off for a tarp, rain fly, hammock, or whatever you need. Perfect for modular campsite setup and quick teardown.
I bought the Sherpa Crestone rack for my 2024 4Runner TRD Pro. Incredibly well-made and excellent design. Spend the extra , to get best roof rack in the market. You won’t regret it.
This is our first roof rack that we are going to use to put a RRT (roof top tent) on for back country trips. Well-built product that came with all the nuts, bolts and washers to complete the installation. Took about 1-1/2 to 2 hours install the rack. You will another person to help place the racks on top of the Jeep for final install. Overall, a great, well-built American product
Install was super easy. The quality was great. Customer service was quick to respond to any issues! I’ve already been getting compliments on it and what brand it is. This will be great for camping this year!
This is on my tundra absolutely solid rack looks fantastic extremely modular, which is why I went this route. I can use the whole rack when traveling and over landing then rock the chase rack only when the rest is not in use, I actually use the recovery traction board mounts for my shower room set up, which works amazingly just relocated the board somewhere shown in picture keep innovating TUWAand I’ll keep purchasing.
Good looking cat shields made of stainless steel with cooling holes. Priced well, easy install, no issues. Would buy again.
Great service from their staff. Robert help me through all the process with a request I had, he responded all emails in a timely manner and provided great help.
We received it within 3 days and installed the same day. Great awning and very well made.
the tent is very nice, comfortable and roomy.
Following the instructions was fairly easy. Its better to have second person to set it up. I really like the tent and the support that from ExtrailAuto. Really recommeded! Thanks
