Description

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.

Product Overview

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.

Features and Benefits

• Gives 1-2 in. Of Front Lift
• Covered Limited Lifetime Warranty
• Incl. Pair Of Add-A-Leafs w/The Center Pins
• Gives 1in to 2in of front lift
• Includes: Pair of add-a-leafs with the center pins

Product Details

Avg Install time:	1-3 Hours
Description:	Rear Add-a-Leafs-99-15 F-250/F-350/Excursion 4WD
Feature:	Gives 1in to 2in of front lift
Google Product Type:	Add-A-Leafs
Part Number:	slf2570
Position:	Rear
Prop 65 - Short Label:	WARNING: Cancer and reproductive harm - www.P65Warnings.ca.gov.
Prop 65 Y/N:	Yes
Style:	Rear
Title:	SUPERLIFT ADD-A-LF KIT RR SHORT FD F250 99-10
WARNING CA Proposition 65 Message:	WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
WARNING CA Proposition 65:	Yes

Kit Options

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
	slfK640	Superlift 00-05 Ford Excursion 4WD 7in Lift Kit w/ Superlift Shocks (1x slf9349, 2x slf01-216-6, 1x slf2570, 1x slf9668-1, 1x slf84005)
	slfK640B	Superlift 00-05 Ford Excursion 4WD 7in Lift Kit w/ Bilstein Shocks (1x slf9349, 2x slf01-216-6, 1x slf2570, 1x slf9668-1, 1x slf84006)
	slfK644	Superlift 00-04 Ford F-250/F-350 SuperDuty 4WD 8in Lift Kit w/ Superlift Shocks (1x slf9359, 2x slf01-218-6, 1x slf2570, 1x slf9688-1, 1x slf84055)
	slfK644B	Superlift Suspension Lift Kits for 2000-2004 F-250 SUPER DUTY, F-350 DUTY - K644B Lift, Add-a-Leaf/Spacer, Gas Shocks, 8.0 in. Front, 6.0 in. Rear, Ford, Kit
	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)
	slfK979	Superlift 05-07 Ford F-250/F-350 SuperDuty 4WD 8in Lift Kit w/ Repl Radius Arms & Superlift Shocks (1x slf298, 1x slf2570, 1x slf9030, 1x slf9503-1, 1x slf84052, 1x slf9500)
	slfK979B	Superlift 05-07 Ford F-250/F-350 SuperDuty 4WD 8in Lift Kit w/ Repl Radius Arms & Bilstein Shocks (1x slf298, 1x slf2570, 1x slf9030, 1x slf9503-1, 1x slf84020, 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)
	slfK985	Superlift 08-10 Ford F-250/F-350 SuperDuty 4WD 8in Lift Kit w/ Repl Radius Arms & Superlift Shocks (1x slf298, 1x slf2570, 1x slf9032, 1x slf9506-1, 1x slf84018, 1x slf9500)
	slfK985B	Superlift 08-10 Ford F-250/F-350 SuperDuty 4WD 8in Lift Kit w/ Repl Radius Arms & Bilstein Shocks (1x slf298, 1x slf2570, 1x slf9032, 1x slf9506-1, 1x slf84020, 1x slf9500)
	slfK991	Superlift 11-16 Ford F-250/F-350 SuperDuty 4WD 8in Lift Kit w/ Repl Radius Arms & Superlift Shocks (1x slf9082, 1x slf298, 1x slf2570, 1x slf9508-1, 1x slf84018, 1x slf9500)
	slfK991B	Superlift 11-16 Ford F-250/F-350 SuperDuty 4WD 8in Lift Kit w/ Repl Radius Arms & Bilstein Shocks (1x slf9082, 1x slf298, 1x slf2570, 1x slf9508-1, 1x slf84020, 1x slf9500)
	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)
	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)
	slfK985F	Superlift 08-10 Ford F-250 SuperDuty 4WD Diesel 8in Lift Kit w/ Repl Radius Arms/Fox 2.0 Shocks (1x slf298, 1x slf2570, 1x slf9032, 1x slf9506-1, 1x slf9500, 1x slf84071)
	slfK991F	Superlift 11-16 Ford F-250 SuperDuty 4WD Diesel 8in Lift Kit w/ Repl Radius Arms/Fox 2.0 Shocks (1x slf9082, 1x slf298, 1x slf2570, 1x slf9508-1, 1x slf9500, 1x slf84071)

Data: v4.2 - Upd: 2026-10-14 20:46:13

Features

Specifications

Product Attributes - Brand

Superlift Suspension

Product Attributes - Manufacturer's Part Number

2570

Product Attributes - Part Type

Leaf Spring Add-A-Leafs

Product Attributes - Product Line

Superlift Add-A-Leaf Kits

Product Attributes - UPC

804260007645

Product Attributes - Add-A-Leaf Style

Long

Product Attributes - Leaf Spring Width

3.000 in.

Product Attributes - U-Bolts Included

No

Product Attributes - Leaf Pack Clamp Included

No

Product Attributes - Center Pin Included

Yes

Product Attributes - Quantity

Sold as a pair.

Product Attributes - Notes

Center to center length is 33.99 in. Leafs are 0.625 in. thick at their thickest point.

Compatibility