Year: 2004.5 - 2005
Make: Chevrolet / GMC
Model: 2500HD / 3500
Engine: 6.6L Duramax LLY
• 8mm &10mm Wrench & Socket
• T-30 Torx Wrench
• 5/16” Nut Driver or Flat Blade Screwdriver
• Pliers or Channel locks
• 5/16” Allen Wrench (optional)
CARB STATUS - PENDING
Product will be submitted to Air Resources Board for
Not legal for use in CA or other states adopting CA
emissions standards. See Page 2 for more information.
Kit may not fit with the following Aftermarket
• Body Lift or Lowering Kit
• Custom Hood
• Throttle Body Spacer/ Upgrade
BEFORE YOU START
• Please read the entire product guide before proceeding.
• Ensure all components listed on page 3 are present.
• If you are missing any of the components, call our customer support at (909) 947-0015.
• Do not work on your vehicle while engine is hot.
• Make sure the engine is turned off and the vehicle is in Park or the Parking Brake is set.