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2011-2019 LML/L5P Duramax Cognito 1" Front Shock Extender Kit (GM)

1" Front Shock Extender Kit for 2011-2019 GM 2500HD / 3500HD 2WD/4WD trucks.
- Only for use in leveling applications with Cognito control arms and factory/factory length shocks.
- Adds 1" to the length of the front shocks
- 4 Shock extenders
- Mounting hardware
Availability: This product is currently experiencing longer than normal lead times. Please allow additional 3-4 weeks when placing your order.
Pricing: $90.25



Cognito 1" Front Shock Extender kit for 2011-2019 Chevrolet and GMC 2500HD / 3500HD 2WD/4WD trucks. It will add 1" to the length of the front shocks for leveling applications where Cognito upper control arms and OE shocks are used. This extender kit is used to take advantage of the increased droop travel that Cognito upper control arms provide. Mounting hardware is included.


Shipping Information

  • Item Requires Shipping
  • 1.6 lbs.
  • W2.5000” x H8.0000” x L8.0000”

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