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2.5" Piggyback Reservoir Rear Shock Set for 1999-2006 Tundra (57715P)

IVD 57715P

These 2.5" Diameter Piggyback Manifold Shocks are a great way to add more performance and a much better ride quality to your rear suspension. These shocks are specifically valved for the 2000-2006 Tundra and are fine tuned for better performance than our standard 2.0 Mono-tube Shocks. SOLD AS A PAIR.

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Shipping: FREE Ground Shipping to the Lower 48!
Pricing: $979.90

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  • Low Profile Billet Top Cap
  • Stem Top Design for O.E. Fitment and Optimum Wheel Travel
  • ICON Vehicle Dynamics "Bump Zone" For an Addtional 20% Increase in Compression and Rebound the last two inches of Travel
  • Reservoir Eliminates Shock Fade and Increases Wheel Travel
  • Two Stage Disogrin Seals for Prolonged Lifespan and Maximum Durability
  • Durable Spherical Bearings Eliminate Unwanted Deflection
  • 7/8" NitroSteel Shaft prevents pitting and rust better than any chrome shaft
  • 100%Bolt-on system - no drilling, cutting or welding necessary for install
  • Made in the USA
  • Does not work with rear add a leaf pack.......Only works with rear 1" or 2" lift block
  • FREE Ground Shipping to the Lower 48!

CDC Upgrade


The ICON CDC Valve is an externally adjustable valve that restricts oil flow into the reservoir creating 10 levels of compression damping force ranges. Controlling the amount of oil flow externally allows optimizing of ride quality for varying terrains. With the addition of an ICON CDC Valve a different tune is required on the working piston to get the ride quality range of adjustment to softer than standard at the “S” setting and much firmer than standard at the “H” setting. The ICON CDC Valve piston is custom tuned per application with different valve stacks because not all shocks or applications are equal. Adding on the CDC Valve is not a one size fits all if you want optimum performance.

The CDCV external knob allows for 10 levels of adjustment. Each detent from S-H is a noticeable difference in ride. When engineering this feature into each shock application, the main shock piston is re-calibrated such that setting “4” is equivalent to the non CDCV version. This allows for both a softer and firmer ride than the same application without this option. The ICON CDC Valve brings a new thinking to the table with an upgrade option that offers true ride quality diversity.

CDC Valve Upgrade Features:

  • ICON Shocks with the CDC Valve are application specific tuned like all ICON shocks
  • Internally calibrated per application based on motion ratio, shaft diameter, and vehicle weights
  • 10 detent stops and large adjuster knob allow easy to feel adjustments
  • Allows the end user to optimize the ride specific to his / her liking on all types of terrain
  • Clearly engraved knob for direct reading of current setting
  • Allows for lower reservoir pressure than a non CDCV equipped shock which decreases seal friction improving compliance


Shipping Information

  • Item Requires Shipping
  • 15.0 lbs.
  • W12.0000” x H4.0000” x L27.0000”
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  • FREE Ground Shipping to the Lower 48!