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Superlift 73-91 Chevy K20/GMC K25 4WD 6in Lift Kit Rear Block Kit w/ Superlift Shocks (Bundled Kit)

SKU: SLFK440

Suspension Leveling & Lift Kits

slf3359,slf01-235-6,slf3001-1,slf3000,slf87140,slf87150...

Superlift 73-91 Chevy K20/GMC K25 4WD 6in Lift Kit Rear Block Kit w/ Superlift Shocks (Bundled Kit)

SKU: SLFK440

Suspension Leveling & Lift Kits

slf3359,slf01-235-6,slf3001-1,slf3000,slf87140,slf87150...

A$3,572.63
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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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.

Product Details

Avg Install time:8-9 Hours
Description:6in. Lift Kit-73-91 GM 3/4 Ton 4WD-Rr Block Kit w/SL Shocks
Feature:Includes: Front leaf springs, shocks, raised steering arm, rear block and u-bolt kit, and all hardware required
Google Product Type:Chevrolet & GMC Lift Kits
Lift Height:6 in
Lift/Drop Height:6 in.
Shocks:Shadow Shocks
Style:6 in. Suspension Lift Kit
Title:SUPERLIFT LIFT KIT GM 3/4-TON 73-87 6''
WARNING CA Proposition 65 Message:WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
WARNING CA Proposition 65:Yes

This is a group bundle consisting of:

ImageQtySKUMFR SKUUPCDescription
1xslf3001-13001-1804260007812Superlift Component Box - 2.5-6in Lift Kit - 69-97 GM Pickup - Blazer - Suburban
2xslf8715087150804260104825Superlift 30.07 Extended 17.70 Collapsed (w/ Upper/Lower Eye Mount) Superlift Shock - Single
2xslf8714087140804260104771Superlift 26.07 Extended 15.57 Collapsed - Superlift Shock - (w/ Upper/Lower Eye Mount) - Single
1xslf33593359804260009526Superlift 73-87 Chevy K20/GMC K25 Pickup 4WD 5in Block Kit
1xslf30003000804260007805Superlift 73-87 Chevy/GMC 1/2 & 3/4 Ton 4in Raised Steering Arm
2xslf01-235-601-235-6804260000929Superlift 73-87 GM Standard Pick Up w/ 6in Lift Kit Leaf Spring - Front

Bundled group items may ship from multiple locations and could have slightly longer transit times if parts are sourced from different warehouses.

Images in this listing may include individual and/or group shots of the products included in the bundle. Please refer to the table to see a breakdown of what is included. Click on a SKU to see individual item details.

For details on the individual components in this bundle, click here.

Application Summary

1975-1986 Chevrolet K20; 1973-1974 Chevrolet K20 Pickup; 1973-1986 Chevrolet K20 Suburban; 1987 Chevrolet V20; 1987-1988 Chevrolet V20 Suburban; 1989-1991 Chevrolet V2500 Suburban; 1975-1978 GMC K25; 1973-1974 GMC K25/K2500 Pickup; 1973-1974 GMC K25/K2500 Suburban; 1979-1986 GMC K2500; 1981-1986 GMC K2500 Suburban; 1987 GMC V2500; 1987-1991 GMC V2500 Suburban

Part Type

Suspension Leveling & Lift Kits

Data: v4.2 - Upd: 2026-10-13 20:37:33

Specifications

Product Attributes - Brand
Superlift Suspension
Product Attributes - Manufacturer's Part Number
K440
Product Attributes - Part Type
Suspension Leveling & Lift Kits
Product Attributes - Product Line
Superlift Suspension Lift Kits
Product Attributes - UPC
804260028169
Product Attributes - Lift Style
Suspension Lift Kit
Product Attributes - Primary Front Lift Component
Leaf spring
Product Attributes - Primary Rear Lift Component
Spacer
Product Attributes - Front Shocks/Struts Included
Yes
Product Attributes - Front Shock Quantity Per Wheel
1
Product Attributes - Front Shock Type
Hydraulic twin-tube
Product Attributes - Rear Shocks/Struts Included
Yes
Product Attributes - Rear Shock Quantity Per Wheel
1
Product Attributes - Rear Shock Type
Hydraulic twin-tube
Product Attributes - Brake Lines Included
No
Product Attributes - Hardware Included
Yes
Product Attributes - FMVSS 126 Certification
No
Product Attributes - Quantity
Sold as a kit.
Product Attributes - Notes
Kit Includes drop pitman arm.

Reference Information

Brand Name/s Superlift
StreetFX SKU slfK440
SFX Item ID 4528728
Supplier Item Code 4528728
Manufacturer SKU K440
Manufacturer UPC N/A
Alternative References slf-3359, K20, K25, 4WD, 5in, slf01-235-6

Compatibility

1975-1986 Chevrolet K20; 1973-1974 Chevrolet K20 Pickup; 1973-1986 Chevrolet K20 Suburban; 1987 Chevrolet V20; 1987-1988 Chevrolet V20 Suburban; 1989-1991 Chevrolet V2500 Suburban; 1975-1978 GMC K25; 1973-1974 GMC K25/K2500 Pickup; 1973-1974 GMC K25/K2500 Suburban; 1979-1986 GMC K2500; 1981-1986 GMC K2500 Suburban; 1987 GMC V2500; 1987-1991 GMC V2500 Suburban

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