2011-2025 Duramax 1.0" Rear Block Kit (HP10499)

Fits

Pacbrake’s 1.0" Rear Block Kit is a simple, effective way to level out your GM truck without overcomplicating the install. It’s made from solid cast iron and paired with ultra-durable U-bolts, giving you a clean rear lift that’s built to go the distance.

Part Number: HP10499

• Cast iron blocks engineered for long-term durability
  
• Grade 10.9 U-bolts with rust-resistant Geomet coating
  
• Zinc-plated flange nuts fight corrosion
  
• Installs with no cutting or modifications
  
• Clearance for up to 35" tires
  

Click here for instructions.

• Will not fit DRW or Cab & Chassis trucks
  
• Not compatible with trucks that have AUX/Overload springs