Superlift 73-91 GM K Series Pickup 4WD 12in Lift Kit Component Box - Rear Block 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.

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