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Sales & Service Hours

Customer Service

  • Monday to Friday: 8am - 6pm EST
  • Saturday/Sunday: Closed


  • Monday to Saturday: 8am - midnight EST
  • Sunday: 9am - 10pm EST

Zone Lifting Rear Block Kit U3041

Product Information
List Price:
Our Price:
Part #:
4" Blocks
  • Height - 4"
  • Width - 2.5"
  • Taper - 2.3°
  • Pin size - .625"
  • Hole size - .6875"
  • Sold in pairs
  • U-Bolts not included


  • Solid cast iron construction
  • CNC machined for precise pin placement
  • Powder coat finished for long-lasting durability
  • Sold in pairs
  • Made in the USA - Coldwater, MI

If you do a lot of hauling or towing, you understand how weight distribution can affect the performance of your truck. A rear block kit is designed to help distribute the weight of your cargo, improve the towing performance of your truck, and give you a little lift in the rear.

Zone Off-Road rear block kits are designed to take the place of your factory blocks and are made out of cast iron right here in the good ol' USA. Increasing your block height will increase your rake, eliminate the dangers of stacked blocks, and they also work great with leveling kits.

There is no mounting hardware included. Zone does offer new U-bolts, which are sold separately. The average time to install a rear block kit is about an hour to an hour and a half. Make towing or hauling with your truck better and safer with a made in the USA Zone Off-Road rear block kit, you won't regret it!

View Available Part Numbers For This Product Line


  • 1978-1996 Ford Bronco
  • 2000-2005 Ford Excursion
  • 1975-2003 Ford F150
  • (2004) Ford F150 Heritage
  • (1999) Ford F250 Super Duty
  • 2000-2011 Ford F250
  • 1999-2011 Ford F350


Limited Lifetime Warranty

Zone Off-Road offers a limited lifetime warranty on all of their products, even the rear block kits. This warranty is valid for as long as you own your vehicle. The warranty covers any defects in the materials or workmanship.


All rear block kits come with detailed step-by-step instructions. These instructions have been written so that knowledgeable DIY'ers and experienced mechanics both can follow along with ease. Lots of pictures & diagrams will make your installation go quicker. If you have any questions or would like additional information, please call our customer service team. We have reps standing by to assist you every day of the week.