Suspension Lift Kit

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

12 inch Lift Kit-1973-1991 Chevy K20 and GMC K25 Suburban or 1973-1988 3/4 Ton Solid Axle Pickup 4WD (with 52 inch Rear Springs)-Rear Spring Kit with Superlift Shocks

Application Summary

1975-1986 Chevrolet K20 4WD; 1973-1974 Chevrolet K20 Pickup 4WD; 1973-1986 Chevrolet K20 Suburban 4WD; 1987 Chevrolet V20 4WD; 1987-1988 Chevrolet V20 Suburban 4WD; 1989-1991 Chevrolet V2500 Suburban 4WD; 1975-1978 GMC K25 4WD; 1973-1974 GMC K25/K2500 Pickup 4WD; 1973-1974 GMC K25/K2500 Suburban 4WD; 1979-1986 GMC K2500 4WD; 1981-1986 GMC K2500 Suburban 4WD; 1987 GMC V2500 4WD; 1987-1991 GMC V2500 Suburban 4WD

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 is a group bundle consisting of:

Image	Qty	SKU	MFR SKU	UPC	Description
	1x	slf11384	11384	804260005108	Superlift U-Bolt 4 Pack 5/8x3-3/8x11 Round w/ Hardware
	2x	slf01-312	01-312	804260000981	Superlift 73-87 GM Heavy Duty Pick Up w/ 12in Lift Kit Leaf Spring - Front
	2x	slf01-322	01-322	804260000998	Superlift 73-87 GM Heavy Duty Pick Up w/ 8in Lift Kit Leaf Spring - Rear
	1x	slf84024	84024	804260100223	Superlift 73-91 Chevy K10/GMC K15/K25 4WD - 12in Rear Spring Lift Kit (w/ 52in Springs) Shock Box
	1x	slf3052-2	3052-2	804260100544	Superlift 73-91 GM K Series Pickup 4WD 12in Lift Kit Component Box - Rear Block Kit

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.

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Product Details

Product Downloads

#	Document Type	Download
1.	Installation Instructions
2.	Technical Bulletin

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

Suspension Lift, 4WD, 12.0 in. Front/11.0 in. Rear, Chevy, GMC, Kit

Over the years, Superlift has established a reputation as the "go-to" source for suspension components. Superlift suspension lift kits are designed and built by real off-road enthusiasts, so you know they're complete and super-strong. Properly addressing things that are generally ignored by others, yet matter—it all adds up. Superlift suspension lift kits are available in a variety of lift heights and styles to fit your budget and needs.

Depending on the application, Superlift suspension lift kits may feature:
• Steering knuckles, crossmembers, torsion bar brackets, bump stops, belly pan, brake line brackets, and front sway bar links
• Upper and lower control arm drop brackets, center link, rear shocks, rear blocks, and U-bolt kit
• All hardware specific to the application
• Custom-designed, engine-specific spring rates and shock valving
• Ideal caster settings
• Suspension compression travel control
• Correct track bar/pitman arm phasing
• Designed using original equipment CAD data for accuracy
• Compatible with OE stability control and anti-skid control
• No problem codes or irritating dash lights
• Makes room for up to 37 in. tires (varies by make and model)
• Maximum ground clearance
• Maintains awesome ride quality and handling characteristics
• Aligns to OEM specifications
• Corrects front-to-rear factory rake for a level stance
• Detailed instruction manual suitable for do-it-yourself or professional installation