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Mammoth Boulder Charcoal 15x8 Wheel & BFG KM2 33x10.5- 15 Tire Kit (87-06 Jeep Wrangler YJ & TJ)

ExtremeTerrain no longer carries the Mammoth Boulder Charcoal 15x8 Wheel & BFG KM2 33x10.5- 15 Tire Kit (87-06 Jeep Wrangler YJ & TJ). Please check out Jeep Wheel & Tire Kits for an updated selection.

Features & Details

  • (4) 15x8 Charcoal Mammoth 4x4 Boulder
  • (4) 33X10.50R15LT BF Goodrich Mud-Terrain T/A KM2
  • Mounting & Balancing Available
  • Free Nitrogen Fill
  • Optional 5th Wheel Available
  • Fits 1987 to 2006 TJ and YJ Jeep Wranglers
  • Road Hazard Protection Plan Available
Easy "One Click" Shopping. This wheel and tire combo kit features (4)15x8 Charcoal Mammoth 4x4 Boulder wheels and (4) BF Goodrich Mud-Terrain T/A KM2 33X10.50R15LT tires that have been put together into an easy "one click" to buy combo kit. An optional (5) wheel and tire kit is also available, see drop down option above.

Recommended 5th Wheel Upgrade. When increasing the rolling diameter of your Jeep Wranglers tires it is recommended to upgrade your spare tire at the same time as the stock spare may be too small to be used. And besides a big meaty spare looks intimidating on the back of your Wrangler.

Charcoal Mammoth 4x4 Boulder. Upgrade your Jeep with the Mammoth 4x4 Boulder Charcoal Wheel from ExtremeTerrain. This Mammoth 4x4 wheel features classic Wrangler styling with an aggressive flare made to take on the outdoors. It's hub centric design provides the reliability you need on the highway and trail for a bold look no matter where your tire tracks end.Completed in a durable charcoal powder coat for a rugged off road appearance, this Mammoth 4x4 wheel is the perfect addition for the Jeeper looking for a custom styled wheel without a daunting price tag.  It comes complete with a matching Mammoth 4x4 center cap for complete aggressive styling whether you're on the trail or cruising the highway.

33X10.50R15LT BF Goodrich Mud-Terrain T/A KM2. BF Goodrich Mud Terrain T/A KM2 is the end all in off road capability. You'll never doubt traction on the trail with this tire's aggressive side wall lugs and self cleaning dual compound tread design. Your Wrangler will conquer climbs and pits and any obstacle with BF Goodrich's linear flex zone which allows this tire to conform to obstacles and grab the trail during aired-down crawling and driving. TriGard 3-ply construction and a chip resistant compound protect this tire from any trail hazards you run into, including cuts from rocks or boulders.

Application. This 15x8 Charcoal Mammoth 4x4 Boulder wheel and 33X10.50R15LT BF Goodrich Mud-Terrain T/A KM2 Fits 1987 to 2006 TJ and YJ Jeep Wranglers.

Fitment: 1987 1988 1989 1990 1991 1992 1993 1994 1995 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 Details

Mounting & Balancing ExtremeTerrain offers professional mounting and balancing on all wheels and tires when purchased together on the same order for an additional fee. This will allow you to swap out your old wheels for your new set when they arrive.

  • State of the Art On-Site Tire Facility
  • Scratch Free Mounting Process
  • Environmentally Friendly, Lead Free Wheel Weights
  • Free Installation of TPMS Sensors When Purchased on the Same Order (2007+ Wranglers)
  • 1 to 2 Business Day Turn Around Time on Most Orders

What is TPMS?The Tire Pressure Monitoring System (TPMS for short) is a factory installed safety feature on all 2007 and newer Jeep Wranglers that alerts you when your tire pressure drops to an unsafe limit.

How do I keep my TPMS feature?Aftermarket wheels do not come with TPMS sensors. However, if you select 'Add TPMS Sensor’ and your specific year range from the options listed above, we'll install the TPMS Sensors in your new wheels free of charge!

  • Save Money! We sell TPMS Sensors and Sensor Kits at a fraction of the price of dealerships
  • Free Installation of TPMS Sensors When Purchased on the Same Wheel and Tire Order
  • Stay Safe - Keeps your Factory Safety Feature Intact
  • No More Warning Light - Lose the annoying dash light that appears when your sensors are missing

For more Information, check out TPMS Sensor Kits in detail.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

What's in the Box
  • (4) Wheels
  • (4) Center Caps
  • (4) Tires
Installation Info
Tech Specs

Wheel Specifications:

Manufacturer: Mammoth 4x4 Style: Boulder
Size: 15x8 Finish: Charcoal
Backspacing: 3.7" (95mm) Offset: -19mm (-0.7")
Load Capacity: 1521 lbs (690 kg) Bolt Pattern: 5x4.5" (5x114.3)
Weight: 20.0 lbs Material: Aluminum

Tire Specifications:

Manufacturer: BF Goodrich Style: Mud-Terrain T/A KM2
Size: 33X10.50R15LT / 267/86/15 Tread Type: Mud Terrain
Sidewall Color: Optional Black or White Max Load: 2600 lbs
Weight: 50.8 lbs Tread Depth in 32nds: 18
Will it fit my Wrangler?
  • TJ Rubicon 2 Door - 03, 04, 05, 06
  • TJ Rubicon Unlimited 2 Door - 05, 06
  • TJ Wrangler 2 Door - 97, 98, 99, 00, 01, 02, 03, 04, 05, 06
  • TJ Wrangler Unlimited 2 Door - 04, 05, 06
  • YJ Wrangler 2 Door - 87, 88, 89, 90, 91, 92, 93, 94, 95

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Questions & Answers (11)

5 Top Rated Questions

The green TJ in the pics displaying the 15X8 wheels...are those 33" tires or 35"?

  • The TJ used in our product photo's of the Mammoth Boulder Charcoal Wheel is using 33" tires.

Helpful (6)

If I mount a 33x12.5x15 tire on this wheel, will the 3.7 inches of back spacing be enough to keep the tire from rubbing my control arms or shock mounts while turning? I've heard that anything less than 4 inches of backspacing will work, but I just want to be sure.

  • Yes that will work just fine. We typically say to have at the most, a 4.5 inch backspacing to safely fit a 12.5 inch wide tire, so that 3.7 being lower would work out perfectly.

Helpful (1)

Will this work with 32x11.5x15 tires? I have a 2” OMU lift with stock fenders.

  • The 32x11.5x15 tires will work on the 15x8 Mammoth Boulder Charcoal Wheels.

Helpful (1)

Do lug nuts come with wheels and tires? If not do any stock wheel lug nuts fit?

  • Thank you for your question! Lug nuts do not come with the wheels and tires, and the stock lugs will work in conjunction with these aftermarket wheels.

Helpful (1)

Will these fit a 1998 ZJ? I believe they have the same offset and bolt pattern as a TJ.

  • We have not confirmed fitment on a ZJ. These are only guaranteed to fit Jeep YJ and TJ's.

Helpful (0)
Post Your Question
6 More Questions
Hello, I want to by this product for my Wrangler TJ 2004. The spacing is 114,3 cm or 4,5" is it the good product? and for this tire , i need 2 inch booster? thanks for your answer:) 0 answer
Are these available painted silver? My jeep is black, and I think silver would be a better color combination. 1 answer
Do these wheels come with the center cap that is shown in the picture above or is this something that is needed to be purchased separately? 1 answer
Are these rim steel rims with powder coating or aluminum$ 1 answer
The description on the wheels does not indicate the offset/backspace of the wheel. This is very important when running oversized tires. ??? 1 answer
I love the look of these wheels but I was wonder if they will work with the spin free locking hub conversion kit from Yukon. I have a 2004 Rubicon and with this manual hub conversion and really want these wheels. Thanks for your reply! 1 answer

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Customer Reviews (52) Write a Review

Overall Rating 5

out of 5 stars

  • Finish 4.764706 4.8
  • Appearance 5 5
  • Quality 4.862745 4.9
  • Bang For Your Buck 4.960784 5.0



  • 5/5

    April 15, 2019

    Review from Mammoth Boulder Charcoal Wheel - 15x8 -19mm Offset (87-06 Jeep Wrangler YJ & TJ)

    Nice

    These are nice looking wheels. Great alternative to black which has been overdone in the marketplace.

    Freemanc

    Year: 2004Submodel: Wrangler Unlimited

    Helpful (0)

  • 5/5

    April 07, 2019

    Review from Mammoth Boulder Charcoal Wheel - 15x8 -19mm Offset (87-06 Jeep Wrangler YJ & TJ)

    Mammoth Boulder Wheels

    These wheels looks amazing, and really light weight. I bought them because of weight and its kind of difficult to find 15 inch wheels with less that 4in backspacing. I havent had them mounted yet just waiting when need new tires. If you’re looking for a charcoal color wheel look no further they look incredible.

    NinjaRex

    Year: 2000Submodel: Wrangler

    Helpful (0)

  • 5/5

    April 01, 2019

    Review from Mammoth Boulder Charcoal Wheel - 15x8 -19mm Offset (87-06 Jeep Wrangler YJ & TJ)

    Awesome wheels

    These are really nice wheels can’t beat it for the price!!

    Clinton

    Year: 2005Submodel: Wrangler Unlimited

    Helpful (0)

  • 5/5

    February 25, 2019

    Review from Mammoth Boulder Charcoal Wheel - 15x8 -19mm Offset (87-06 Jeep Wrangler YJ & TJ)

    Love these wheels!!

    These are a awesome additions to your Jeep! I’m really happy I got them! Made a big difference! Would buy again!

    Ruston

    Year: 2004Submodel: Wrangler Unlimited

    Helpful (2)

  • 5/5

    February 25, 2019

    Review from Mammoth Boulder Charcoal Wheel - 15x8 -19mm Offset (87-06 Jeep Wrangler YJ & TJ)

    Mammoth boulders

    Item was packed well, feels well made, but powder coating was a little thin around the center cap so take care when mounting. Very pleased overall with the wheels.

    AndyB

    Year: 2007Submodel: Wrangler

    Helpful (2)

  • 5/5

    February 14, 2019

    Review from Mammoth Boulder Charcoal Wheel - 15x8 -19mm Offset (87-06 Jeep Wrangler YJ & TJ)

    2005 Black Jeep LJ wrangler

    The rims make the LJ look are great this is the best bang for your buck Thanks

    Tim

    Year: 2005Submodel: Wrangler Unlimited

    Helpful (2)

  • 5/5

    February 08, 2019

    Review from Mammoth Boulder Charcoal Wheel - 15x8 -19mm Offset (87-06 Jeep Wrangler YJ & TJ)

    10x Better than expected

    Didn't know what to expect for the price, but i have absolutely no regrets on the purchase. The quality and the appearance is 10 times better than I had originally anticipated.

    FrankR

    Year: 2000Submodel: Wrangler

    Helpful (2)

  • 5/5

    February 08, 2019

    Review from Mammoth Boulder Charcoal Wheel - 15x8 -19mm Offset (87-06 Jeep Wrangler YJ & TJ)

    love em!

    Great upgrade from the OEM steel wheels. Had me local paint guy to paint Hyper Silver to get the look I wanted!

    BryanE

    Year: 1997Submodel: Wrangler

    Helpful (3)

  • 5/5

    February 03, 2019

    Review from Mammoth Boulder Charcoal Wheel - 15x8 -19mm Offset (87-06 Jeep Wrangler YJ & TJ)

    Super happy with these!

    These look awesome on my TJ. Definitely sets it apart from all the other jeeps with cheap steelies, and these are hardly more expensive than said cheap steelies.

    RossT

    Year: 2001Submodel: Wrangler

    Helpful (3)

  • 5/5

    January 30, 2019

    Review from Mammoth Boulder Charcoal Wheel - 15x8 -19mm Offset (87-06 Jeep Wrangler YJ & TJ)

    2003 Rubicon

    Grey Mammoth 8x15, Mounted on BFG KM3 32x 11.50 x 15. Great finish and fit. Product was delivered quickly and well protected. Perfect backspacing

    Tim

    Year: 2003Submodel: Rubicon

    Helpful (3)

  • 5/5

    November 22, 2018

    Review from Mammoth Boulder Charcoal Wheel - 15x8 -19mm Offset (87-06 Jeep Wrangler YJ & TJ)

    Nice rims

    I like design and the charcoal color powder coat. Looks good on keeps.

    MichaelD

    Year: 1999Submodel: Wrangler

    Helpful (7)

  • 5/5

    November 22, 2018

    Review from Mammoth Boulder Charcoal Wheel - 15x8 -19mm Offset (87-06 Jeep Wrangler YJ & TJ)

    Great Wheel at a Great Price

    Love these wheels. Look great on the 94 Wrangler! Really made the Jeep stand out and gave it a whole new look.

    Casey

    Year: 1994Submodel: Wrangler

    Helpful (7)

  • 5/5

    November 08, 2018

    Review from Mammoth Boulder Charcoal Wheel - 15x8 -19mm Offset (87-06 Jeep Wrangler YJ & TJ)

    Great wheel

    And great value. Already had 4. This was the spare. Durable

    GaryG

    Year: 1999Submodel: Wrangler

    Helpful (7)

  • 5/5

    October 09, 2018

    Review from Mammoth Boulder Charcoal Wheel - 15x8 -19mm Offset (87-06 Jeep Wrangler YJ & TJ)

    Mamouth boulder wheels

    Great wheels and great quality, they look awesome on my tj, can’t beat the price, very happy, finish on the wheels were great as well. A

    MicahG

    Year: 1999Submodel: Wrangler

    Helpful (7)

  • 5/5

    September 07, 2018

    Review from Mammoth Boulder Charcoal 15x8 Wheel & BFG KM2 35x12.5- 15 Tire Kit (87-06 Jeep Wrangler YJ & TJ)

    Perfect

    They came sooner than I thought they would. They look great and fit perfectly.

    ChristopherB

    Year: 1999Submodel: Wrangler

    Helpful (7)

  • 5/5

    July 23, 2018

    Review from Mammoth Boulder Charcoal Wheel - 15x8 -19mm Offset (87-06 Jeep Wrangler YJ & TJ)

    Awesome wheels

    They look great, didn’t take much weight to balance, and are a great value

    JesseW

    Year: 1999Submodel: Wrangler

    Helpful (8)

  • 5/5

    July 20, 2018

    Review from Mammoth Boulder Charcoal Wheel - 15x8 -19mm Offset (87-06 Jeep Wrangler YJ & TJ)

    Mammoth boulder charcoal 15x8

    Love these wheels! Give my TJ a great new look- would highly recommend

    JerryC

    Year: 2002Submodel: Wrangler

    Helpful (9)

  • 5/5

    June 14, 2018

    Review from Mammoth Boulder Charcoal Wheel - 15x8 -19mm Offset (87-06 Jeep Wrangler YJ & TJ)

    Oooh, pretty!

    I haven't mounted them yet, but the packaging and the look of the wheel is outstanding. E.T. also shipped them the same day and I received them the next. Super easy!

    JosephM

    Year: 2004Submodel: Wrangler Unlimited

    Helpful (9)

  • 5/5

    April 16, 2018

    Review from Mammoth Boulder Charcoal Wheel - 15x8 -19mm Offset (87-06 Jeep Wrangler YJ & TJ)

    Awesome!

    I am extremely pleased at how good this wheels look on the ol' 88! The quality and finish look great and for $99, I'm very satisfied.

    JudW

    Year: 1988Submodel: Wrangler

    Helpful (9)

  • 4/5

    March 26, 2018

    Review from Mammoth Boulder Charcoal Wheel - 15x8 -19mm Offset (87-06 Jeep Wrangler YJ & TJ)

    Good

    Tires are great. Wheels look good but the quality of the powder coat isn't the greatest but for the price I guess you can't ask for much. My only real gripe was I specifically requested that the white lettering be out but they installed them on the inside.

    AndrewC

    Year: 1994Submodel: Wrangler

    Helpful (11)

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