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Chevrolet Performance Rear Bump Stop System [17+ ZR2]




SKU: 84422546

The Chevrolet Performance ZR2 Rear Jounce Shock System, designed specifically for 2017+ Colorado ZR2 models, is intended exclusively for off-road use. The Jounce Shock System greatly enhances gross vehicle motion control, increases suspension bump capacity, and provides exceptional bottoming protection for extreme off-road conditions. This complete bolt-on system (requires removal of existing jounce bumper pad on frame) includes both rear Jounce Shocks, the required mounting brackets and all required fasteners. Requires Jounce Striker/Leaf Spring Mount System (P/N 84422116). Chevrolet Performance recommends use with the Cross Car Beam System
(P/N 84403779, V-6 equipped) and Long Travel Rear Leaf Spring system (P/N 84402368) for optimum off-road performance.


  • (2) Bump Stops
  • (2) Brackets
  • (1) Various Hardware


  • 2017+ Chevrolet Colorado ZR2


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