Cognito Motorsports

GM HD Idler Support Frame Gusset Kit 2011-2025 Silverado/Sierra 2500/3500 2WD/4WD Cognito

  • Sale
  • Regular price $84.95
Free shipping on orders over $150.


This kit adds critical reinforcement to the idler support area of the frame, helping reduce flex and wear under load. Made from 1/4-inch plate steel, it improves steering stability and durability - especially on lifted or hard-used trucks. Designed to work with both factory and aftermarket idler supports.

Features and Benefits:

  • Increases idler arm support rigidity for improved steering durability
  • Compatible with both factory and aftermarket idler supports
  • Constructed from 1/4-inch high-strength plate steel
  • Precision fitment for 2011+ GM HD trucks (2500/3500)