# Superlift 73-91 GM K Series Pickup 4WD 8in Lift Kit Component Box - Rear Spring 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. - Component Box This Part Fits: Year Make Model Submodel 1975-1978 GMC K15 Base 1975-1978 GMC K15 High Sierra 1977 GMC K15 Indy Hauler 1975-1978 GMC K15 Sierra Classic 1975-1978 GMC K15 Sierra Grande 1973-1974 GMC K15/K1500 Pickup Base 1979-1986 GMC K1500 Base 1979-1986 GMC K1500 High Sierra 1988-1991 GMC K1500 Sierra 1979-1986 GMC K1500 Sierra Classic 1979-1982 GMC K1500 Sierra Grande 1988-1991 GMC K1500 Sierra SLE 1988-1991 GMC K1500 Sierra SLX 1975-1978 GMC K25 Base 1975-1978 GMC K25 High Sierra 1975-1978 GMC K25 Sierra Classic 1975-1978 GMC K25 Sierra Grande 1973-1974 GMC K25/K2500 Pickup Base 1979-1986 GMC K2500 Base 1979-1986 GMC K2500 High Sierra 1988-1991 GMC K2500 Sierra 1979-1986 GMC K2500 Sierra Classic 1979-1982 GMC K2500 Sierra Grande 1988-1991 GMC K2500 Sierra SLE 1988-1991 GMC K2500 Sierra SLX 1977-1978 GMC K35 Base 1977-1978 GMC K35 High Sierra 1977-1978 GMC K35 Sierra Classic 1977-1978 GMC K35 Sierra Grande 1973-1974 GMC K35/K3500 Pickup Base 1979-1986 GMC K3500 Base 1979-1986 GMC K3500 High Sierra 1988-1991 GMC K3500 Sierra 1979-1986 GMC K3500 Sierra Classic 1979-1982 GMC K3500 Sierra Grande 1988-1991 GMC K3500 Sierra SLE 1988-1991 GMC K3500 Sierra SLX 1987 GMC V1500 Base 1987 GMC V1500 High Sierra 1987 GMC V1500 Sierra Classic 1987 GMC V2500 Base 1987 GMC V2500 High Sierra 1987 GMC V2500 Sierra Classic 1987-1991 GMC V3500 Base 1987-1989 GMC V3500 High Sierra 1987-1989 GMC V3500 Sierra Classic 1990-1991 GMC V3500 SLE ## Details - **Price:** 633.63 CAD - **Vendor:** Superlift - **Type:** Lift Kits ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 633.63 CAD | In stock | ## Images - User 1 - User 4 --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/superlift-73-91-gm-k-series-pickup-4wd-8in-lift-kit-component-box-rear-spring-kit) > Updated: 2026-07-13