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How To: JConcepts Traxxas Slash Monster Truck Conversion [VIDEO]

How To: JConcepts Traxxas Slash Monster Truck Conversion  [VIDEO]

From JConcepts:
JConcepts now offers a suspension conversion set for the popular Slash 4×4 and Stampede 4×4. The upgrade includes carbon fiber front and rear shock tower, aluminum shock stand-offs, body mount adaptors and aluminum caster blocks. Using this combination of parts along with other parts (not included) help build the ultimate monster truck from two of either of the most popular Traxxas vehicles on the market.

The 4mm long-stroke front shock tower has been designed to use a longer Traxxas shock (not included) for better shock geometry in rugged conditions. The carbon material improves response of the suspension and provides a stable setting for the included aluminum body mount adaptor. The rear tower, also in 4mm material, utilizes the stock geometry but with the addition of carbon fiber and precise machining, tightens up the feel of the rear suspension. The included aluminum shock stand-offs position the shocks at an advantageous angle and allows the shocks to work as designed.

All the changes to the geometry conclude with the new caster blocks. The camber link position has been revised and extra material trimmed to allow smaller diameter wheels needed for monster truck wheels and tires. The machined aluminum blocks are durable and are finished in a high-gloss black anodizing. The set includes heavy-duty 3mm hardware to secure the transformation. This set of parts, combined with the list of items below complete a conversion to the ultimate monster truck for racing, bashing and free-styling.

In the hands of Fred “Free-style” Reep, the conversion set has won the NR/CTPA World Championships and Spring Nationals in the highly competitive Free-style division. At the R/C Monster Jam World Finals in Las Vegas, Nevada, Fred once again locked down 1st place during day 1 to win the Free-style competition. During day 2 at the World Finals, Dan “The Man” Wyatt won a thrilling competition with the JConcepts conversion set in front of a packed arena.


  • Machined aluminum and high-gloss anodizing
  • Heavy-Duty 4mm carbon fiber shock towers
  • Tightened driving response allows for MT wheels
  • New geometry caster blocks
  • Heavy-duty 3mm hardware included

JConcepts – Traxxas Slash 4×4 | Stampede 4×4 suspension conversion set
Part # – 2477
Retail price – $115.00
Map price – $97.75

Traxxas parts needed to complete conversion Slash 4×4 (Basic) Sold Separately

  • 2pcs. Traxxas # 7415X Rally body mounts
  • 1pc. Traxxas # 5144 Screw Pin
  • 1pc. Traxxas # 6735 Stampede front bumper assembly
  • 1pc. Traxxas #3762A Ultra Shocks (grey) (xx-Long) (Complete w/ spring pre-load spacers & Springs)
  • 1pc. Traxxas # 2669 Shock mounting bushings

Traxxas parts needed to complete conversion Slash 4×4 (High Performance)
*Based on Slash 4×4 Platinum Edition
Sold Separately

  • 2pcs. Traxxas # 7415x Rally body mounts
  • 1pc. Traxxas # 5144 Screw Pin
  • 1pc. Traxxas # 6735 Stampede front bumper assembly
  • 1pc. Traxxas # 7462 GTR xx long shocks
  • 1pc. Traxxas # 7447 pink springs xx long (front)
  • 1pc. Traxxas # 7446 black springs xx long (Rear) (these are included on the Slash 4×4 Platinum Edition)

Stampede, Slash, Slash 4X4 etc. are trademarks and registered trademarks of Traxxas L.P.
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JConcepts Monster Truck Conversion For The Slash

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Updated: November 28, 2017 — 9:47 AM


Add a Comment
  1. What are the part numbers for the wheels and tires in the video. Thanks.

    1. Renegades tires in their gold compound – 3168-05
      White Tribute wheels – 3377W

      This conversion has been released now and more info can be found here:


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