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

• Component Box

Product Details

Description:	COMP BOX REAR BLOCKS 11-22 F250 4in.
Lift/Drop Height:	4 in.
Part Number:	slf9091
WARNING CA Proposition 65 Message:	Cancer and Reproductive
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
	slfK163	Superlift 17-19 Ford F-250/F-350 SuperDuty 4WD (Gas/Diesel) 4in Spacer Lift Kit (1x slf9090, 1x slf9091, 1x slf9092, 1x slf9093)
	slfK164	Superlift 17-19 Ford F-250/F-350 SuperDuty 4WD (Diesel Only) 4in Lift Kit w/ Superlift Shocks (1x slf294, 1x slf9091, 1x slf9092, 1x slf9093, 1x slf9095, 1x slf9099)
	slfK164B	Superlift 17-19 Ford F-250/F-350 SuperDuty 4WD (Diesel Only) 4in Lift Kit w/ Bilstein Shocks (1x slf294, 1x slf9091, 1x slf9092, 1x slf9093, 1x slf9095B, 1x slf9099)
	slfK165	Superlift 17-19 Ford F-250/F-350 SuperDuty 4WD (Diesel) 4in Radius Arm Lift Kit w/ Superlift Shocks (1x slf294, 1x slf9091, 1x slf9093, 1x slf9095, 1x slf9099, 1x slf9500)
	slfK165B	Superlift 17-19 Ford F-250/F-350 SuperDuty 4WD (Diesel) 4in Radius Arm Lift Kit w/ Bilstein Shocks (1x slf294, 1x slf9091, 1x slf9093, 1x slf9095B, 1x slf9099, 1x slf9500)
	slfK166	Superlift 17-19 Ford F-250/F-350 SuperDuty 4WD (Diesel) 4in Lift Kit w/4-Link w/ SLF Shocks (1x slf294, 1x slf9091, 1x slf9093, 1x slf9095, 1x slf9096, 1x slf9098, 1x slf9099, 1x slf9104)
	slfK166B	Superlift 17-19 Ford F-250/F-350 SuperDuty 4WD (Diesel) 4in Lift Kit w/4-Link w/ Bilstein Shocks (1x slf294, 1x slf9091, 1x slf9093, 1x slf9095B, 1x slf9096, 1x slf9098, 1x slf9099, 1x slf9104)
	slfK236	Superlift 11-16 Ford F-250/F-350 SuperDuty 4WD 4in Lift Kit w/ 4-Link Conversion & Superlift Shocks (1x slf294, 1x slf9091, 1x slf9096, 1x slf9098, 1x slf9104, 1x slf9507-1, 1x slf84017)
	slfK236B	Superlift 11-16 Ford F-250/F-350 SuperDuty 4WD 4in Lift Kit w/ 4-Link Conversion & Bilstein Shocks (1x slf294, 1x slf9091, 1x slf9096, 1x slf9098, 1x slf9104, 1x slf9507-1, 1x slf84019)
	slfK164F	Superlift 17-20 Ford F-250/F-350 SuperDuty 4WD Diesel 4in Lift Kit w/ Fox 2.0 Shocks (1x slf294, 1x slf9091, 1x slf9092, 1x slf9093, 1x slf9099, 1x slf84072)
	slfK165F	Superlift 17-20 Ford F-250/F-350 SuperDuty 4WD Diesel 4in Radius Arm Lift Kit w/ Fox 2.0 Shocks (1x slf294, 1x slf9091, 1x slf9093, 1x slf9099, 1x slf9500, 1x slf84072)
	slfK166F	Superlift 17-20 Ford F-250/F-350 SuperDuty 4WD Diesel 4in Link Lift Kit w/ Fox 2.0 Shocks (1x slf294, 1x slf9091, 1x slf9093, 1x slf9096, 1x slf9098, 1x slf9099, 1x slf9104, 1x slf84072)
	slfK236F	Superlift 11-16 Ford F-250 SuperDuty 4WD Diesel 4in Lift Kit w/ A 4 Link Conversion/Fox 2.0 Shocks (1x slf294, 1x slf9091, 1x slf9096, 1x slf9098, 1x slf9104, 1x slf9507-1, 1x slf84070)
	slfK1028	Superlift 23-24 Ford F-250/350 SD Diesel ONLY 4in. Lift Kit w/Superlift Shocks (1x slf294, 1x slf9091, 1x slf9095, 1x slf9099, 1x slf9111, 1x slf9112)
	slfK1028B	Superlift 23-24 Ford F-250/350 SD Diesel ONLY 4in. Lift Kit w/Bilstein Shocks (1x slf294, 1x slf9091, 1x slf9095B, 1x slf9099, 1x slf9111, 1x slf9112)
	slfK1028F	Superlift 23-24 Ford F-250/350 SD Diesel ONLY 4in. Lift Kit w/Fox 2.0 Shocks (1x slf294, 1x slf9091, 1x slf9099, 1x slf84072, 1x slf9111, 1x slf9112)

Data: v4.2 - Upd: 2026-10-14 20:46:11

Features

Specifications

Product Attributes - Brand

Superlift Suspension

Product Attributes - Manufacturer's Part Number

9091

Product Attributes - Part Type

Suspension Lift Kit Components

Product Attributes - Product Line

Superlift Suspension Lift Kit Components

Product Attributes - UPC

804260097882

Product Attributes - Front Shocks/Struts Included

No

Product Attributes - Rear Shocks/Struts Included

No

Product Attributes - Brake Lines Included

No

Product Attributes - Hardware Included

Yes

Product Attributes - Designed for Kit Part Number

K163

Product Attributes - Quantity

Sold as a kit.

Compatibility