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Hot Racing X-Maxx Aluminum Piggyback Reservoir Shock Upgrade Kit (2)

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This is a pack of two optional Hot Racing X-Maxx Aluminum Reservoirs in Black anodize. These Hot Racing adjustable piggyback (aka piggy-back, reservoir) shock caps for the stock shocks on the Traxxas X-Maxx 6S and 8S. This kit complements factory shock components to create the ultimate shock system. The adjustable reservoir allows shock pressure to be tuned for performance.


  • CNC machined billet aluminum construction
  • Adjustable shock reservoir
  • Double-sealed reservoir piston to eliminate piston blow-by
  • Built in bleeder allows for the reduction of entrapped air to provide additional shock oil volume
  • Anodized black for durability, corrosion resistance, and aesthetics
  • Hot Racing logo is laser etched on piggyback (reservoir) body


  • Silicone shock oil of modelers choice
  • Recommended to use HRASPL10G08 for the shock o-rings
  • Reuses stock Traxxas shock cap pivot bushings, TRA7764

This product was added to our catalog on February 25, 2019