Superlift 99-10 Ford F-250 SuperDuty 2.5in Block Kit w/ 3 5/8 AxleTube w/o Top Mounted Overload Leaf

Established in 1975, Superlift remains a pioneer in the industry, and is one of the few suspension companies operated by true truck and off-road enthusiasts. We are passionate about trucks, wheeling and an outdoor lifestyle that go hand-in-hand. We can talk the talk because we walk the walk.This question.... ''What's best for the customer?''... is always at the top of our list in everything we do, from product planning and design to customer service. This simple guiding principal has served us well for decades, and will continue to guide us into the future.We are proud to provide the truck, Jeep and SUV owner products that perform better than advertised. We understand that most people spend the majority of their windshield time on-road, and our designs reflect this. You will be 100% satisfied with our products on-road or off - we guarantee it! Determining what product is right for your vehicle and lifestyle can be a complicated task, especially with so many companies and options to choose from. We urge you to carefully research your purchase. Most lift kits represent a considerable investment, and you will literally live with your choice for years. Talk to fellow off-roaders, and your local automotive specialty shop before making a purchase. We love to talk shop, and we encourage you to give our tech staff a call. Bottom line... if you do your homework, you'll discover that we've done ours.

Additional Information

2.5 inch Block Kit-1999-2010 Ford F-250 and F-350 Super Duty 4WD with 3 5/8 AxleTube-Without Top Mounted Overload Leaf

Part Type

Suspension Leaf Spring Block Kit

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

This item is available as a full kit.
Select a kit option in the following table if you are looking for this item in a bundle form with all associated components.

Kit option/s:

Thumb	SKU	Kit Title
	slfK796	Superlift 05-07 Ford F-250/F-350 SuperDuty 4WD 4in Lift Kit w/ Superlift Shocks (1x slf9097, 1x slf294, 1x slf9023-1, 1x slf84017)
	slfK796B	Superlift 05-07 Ford F-250/F-350 SuperDuty 4WD 4in Lift Kit w/ Bilstein Shocks (1x slf9097, 1x slf294, 1x slf9023-1, 1x slf84019)
	slfK854	Superlift 08-10 Ford F-250/F-350 SuperDuty 4WD 4in Lift Kit w/ Superlift Shocks (1x slf9097, 1x slf294, 1x slf9064-1, 1x slf84017)
	slfK856	Superlift 08-10 Ford F-250/F-350 SuperDuty 4WD 6in Lift Kit w/ Superlift Shocks (1x slf9097, 1x slf296, 1x slf2570, 1x slf9066-1, 1x slf84018)
	slfK856B	Superlift 08-10 Ford F-250/F-350 SuperDuty 4WD 6in Lift Kit w/ Bilstein Shocks (1x slf9097, 1x slf296, 1x slf2570, 1x slf9066-1, 1x slf84021)
	slfK975	Superlift 05-07 Ford F-250/F-350 SuperDuty 4WD 4in Lift Kit w/ Repl Radius Arms & Superlift Shocks (1x slf9097, 1x slf294, 1x slf9501-1, 1x slf84017, 1x slf9500)
	slfK975B	Superlift 05-07 Ford F-250/F-350 SuperDuty 4WD 4in Lift Kit w/ Repl Radius Arms & Bilstein Shocks (1x slf9097, 1x slf294, 1x slf9501-1, 1x slf84020, 1x slf9500)
	slfK981	Superlift 08-10 Ford F-250/F-350 SuperDuty 4WD 4in Lift Kit w/ Repl Radius Arms & Superlift Shocks (1x slf9097, 1x slf294, 1x slf9504-1, 1x slf84017, 1x slf9500)
	slfK981B	Superlift 08-10 Ford F-250/F-350 SuperDuty 4WD 4in Lift Kit w/ Repl Radius Arms & Bilstein Shocks (1x slf9097, 1x slf294, 1x slf9504-1, 1x slf84019, 1x slf9500)
	slfK983	Superlift 08-10 Ford F-250/F-350 SuperDuty 4WD 6in Lift Kit w/ Repl Radius Arms & Superlift Shocks (1x slf9097, 1x slf296, 1x slf2570, 1x slf9505-1, 1x slf84018, 1x slf9500)
	slfK983B	Superlift 08-10 Ford F-250/F-350 SuperDuty 4WD 6in Lift Kit w/ Repl Radius Arms & Bilstein Shocks (1x slf9097, 1x slf296, 1x slf2570, 1x slf9505-1, 1x slf84020, 1x slf9500)
	slfK796F	Superlift 05-07 Ford F-250/F-350 SuperDuty 4WD Diesel 4in Lift Kit w/ Fox 2.0 Shocks (1x slf9097, 1x slf294, 1x slf9023-1, 1x slf84070)
	slfK854F	Superlift 08-10 Ford F-250/F-350 SuperDuty 4WD Diesel 4in Lift Kit w/ Fox 2.0 Shocks (1x slf9097, 1x slf294, 1x slf9064-1, 1x slf84070)
	slfK856F	Superlift 08-10 Ford F-250/F-350 SuperDuty 4WD Diesel 6in Lift Kit w/ Fox 2.0 Shocks (1x slf9097, 1x slf296, 1x slf2570, 1x slf9066-1, 1x slf84071)
	slfK975F	Superlift 05-07 Ford F-250 SuperDuty 4WD Diesel 4in Lift Kit w/ Repl Radius Arms/Fox 2.0 Shocks (1x slf9097, 1x slf294, 1x slf9501-1, 1x slf9500, 1x slf84070)
	slfK981F	Superlift 08-10 Ford F-250 SuperDuty 4WD Diesel 4in Lift Kit w/ Repl Radius Arms/Fox 2.0 Shocks (1x slf9097, 1x slf294, 1x slf9504-1, 1x slf9500, 1x slf84070)
	slfK983F	Superlift 08-10 Ford F-250 SuperDuty 4WD Diesel 6in Lift Kit w/ Repl Radius Arms/Fox 2.0 Shocks (1x slf9097, 1x slf296, 1x slf2570, 1x slf9505-1, 1x slf9500, 1x slf84071)
	slfK854B	Superlift 08-10 Ford F-250/350 4WD Diesel 4in Lift Kit w/ Bilstein Shocks (1x slf9097, 1x slf294, 1x slf9064-1, 1x slf84019)

• Covered Limited Lifetime Warranty
• Incl. 2 Cast Iron Blocks; 4 U-Bolts; All Nuts/Washers For Install
• Includes: 2 cast iron blocks, four U-bolts, all nuts and washers needed for installation

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Product Details

Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

Lift Blocks/U-Bolts, Cast Iron, 2.5 in. Lift, Rear, Ford, Pickup, 4WD, Kit

Superlift rear block kits are the perfect way to lift the back-end of your truck or SUV to clear those bigger tires. These suspension lift blocks and U-bolts can raise the rear between 1.5 in. and 5 in., depending on the kit you select. The hardware components are made from top-quality materials, and Superlift kits are available in more than a hundred configurations for fitment on countless makes and models. For economy and value, there's no better way to improve the stance of your ride.