2003-2025 Cummins 1.0" Rear Block Kit (HP10511)

Pacbrake’s 1.0" Rear Block Kit is the no-BS way to stabilize your Ram under load. Designed for trucks with factory AUX springs, this kit gives you better control, more lift, and way more confidence when towing heavy or hauling hard.

Part Number: HP10511

• Heavy-duty cast iron blocks that won’t wear out or deform
  
• Grade 10.9 U-bolts with Geomet coating for maximum rust resistance
  
• Zinc-plated flange nuts for long-lasting durability
  
• No vehicle modifications needed
  
• Supports up to 35" tires
  

Click here for instructions.

• Will not fit Cab & Chassis, high output Cummins, max tow, factory air spring, 2WD, or DRW trucks
  
• Not compatible with trucks without AUX/Overload Springs 

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