View our Specials! Coupon Code: SaveIn2026
Looking for aftermarket parts to modify or upgrade your 1990 GMC K3500 with lift kits? At Tunersports.com we carry a huge selection of the top name brand performance lift kit parts and accessories.
 IN STOCK - DROPSHIPS BUK2082Skyjacker® utilizes Blocks and U-Bolts in its Kits to provide rear lift. The Skyjacker® U-Bolts are e-coated for corrosion resistance. These U-Bolts are offered in various shapes and sizes such as square, round, and semi-round in lengths ranging from 1.75 - 19 inches. The Blocks used in Skyjac... Skyjacker 88-91 Chevrolet K3500 Pickup Standard Side Bed Suspension Block and U-Bolt Kit 1988-1993 GMC K3500 Sierra / Sierra SLX 1988-1998 GMC K3500 Sierra SLE $131.92 |
IN STOCK - DROPSHIPS BUK3561Skyjacker® utilizes Blocks and U-Bolts in its Kits to provide rear lift. The Skyjacker® U-Bolts are e-coated for corrosion resistance. These U-Bolts are offered in various shapes and sizes such as square, round, and semi-round in lengths ranging from 1.75 - 19 inches. The Blocks used in Skyjac... Skyjacker 1993-1994 GMC K1500 Suspension Block and U-Bolt Kit 1988-1993 GMC K3500 Sierra / Sierra SLX 1988-1999 GMC K3500 Sierra SLE $130.70 |
IN STOCK - DROPSHIPS BUK3584Skyjacker® utilizes Blocks and U-Bolts in its Kits to provide rear lift. The Skyjacker® U-Bolts are e-coated for corrosion resistance. These U-Bolts are offered in various shapes and sizes such as square, round, and semi-round in lengths ranging from 1.75 - 19 inches. The Blocks used in Skyjac... Skyjacker 92-98 Chevrolet K3500 Pickup Standard Side Bed Crew Cab Suspension Block and U-Bolt Kit 1988-1993 GMC K3500 Sierra / Sierra SLX 1988-1998 GMC K3500 Sierra SLE $137.75 |
IN STOCK - DROPSHIPS BUK4584Skyjacker® utilizes Blocks and U-Bolts in its Kits to provide rear lift. The Skyjacker® U-Bolts are e-coated for corrosion resistance. These U-Bolts are offered in various shapes and sizes such as square, round, and semi-round in lengths ranging from 1.75 - 19 inches. The Blocks used in Skyjac... Skyjacker 2007-2007 Chevrolet Silverado 2500 HD Classic 4WD Suspension Block and U-Bolt Kit 1988-1993 GMC K3500 Sierra / Sierra SLX 1988-1998 GMC K3500 Sierra SLE $150.44 |
 OUT OF STOCK 3028-2Established 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 que... Superlift 73-91 GM K Series Pickup 4WD 8in Lift Kit Component Box - Rear Block Kit 1988-1991 GMC K3500 Sierra / Sierra SLE / Sierra SLX $499.99 |
 OUT OF STOCK 3052-2Established 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 que... Superlift 73-91 GM K Series Pickup 4WD 12in Lift Kit Component Box - Rear Block Kit 1988-1991 GMC K3500 Sierra / Sierra SLE / Sierra SLX $699.99 |
 OUT OF STOCK 3058-2Established 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 que... Superlift 73-91 GM K Series Pickup 4WD 8in Lift Kit Component Box - Rear Spring Kit 1988-1991 GMC K3500 Sierra / Sierra SLE / Sierra SLX $429.99 |
 OUT OF STOCK 84001Established 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 que... Superlift 88-98 GM 2500/3550 8-Lug/96-99 Suburban 4WD 5-7in Lift Kit Shock Box 1988-1993 GMC K3500 Sierra / Sierra SLX 1988-1998 GMC K3500 Sierra SLE $279.99 |
 IN STOCK - DROPSHIPS 14822Lift kits are designed to add additional height to your truck or SUV to increase fender clearance and allow for larger tires. Tuff Country EZ-Ride Suspension has been producing suspension lift kits since 1988. All Tuff Country lift kits are engineered for the finest quality at an affordable price. S... Tuff Country 2in 4WD Lift Kit 1988-1993 GMC K3500 Sierra / Sierra SLX 1988-1998 GMC K3500 Sierra SLE $1,446.49 |
 IN STOCK - DROPSHIPS 14823Install Notes: New shocks are required. Fits vehicles with cast lower control arms, for vehicles with stamped lower control arms order part # 14824 instead... Tuff Country 88-97 Chevy Truck K2500/3500 4X4 (8 Lug) 4in Lift Kt (w/Cast Lwr Cntrl Arms No Shocks) 1988-1993 GMC K3500 Sierra / Sierra SLX 1988-1998 GMC K3500 Sierra SLE $1,509.78 |
 IN STOCK - DROPSHIPS 14823KNInstall Notes: New shocks are required. Fits vehicles with cast lower control arms, for vehicles with stamped lower control arms order part # 14824 instead... Tuff Country 88-97 Chevy Truck K2500/3500 4X4 (8 Lug) 4in Lift Kit (w/Cast Lwr Cntrl Arms SX8000) 1988-1993 GMC K3500 Sierra / Sierra SLX 1988-1998 GMC K3500 Sierra SLE $1,782.59 |
 IN STOCK - DROPSHIPS 14824This Tuff Country 4 in. suspension lift kit is designed to make lifting your Chevy Truck simple and affordable. All systems are engineered to give the highest quality & best value on the market. All Tuff Country lift kits are backed by a limited lifetime warranty.... Tuff Country 88-97 Chevy Truck K2500/3500 4X4 (8 Lug) 4in Lft Kt (w/Stmped Lwr Cntrl Arm No Shocks) 1988-1993 GMC K3500 Sierra / Sierra SLX 1988-1998 GMC K3500 Sierra SLE $1,492.29 |
 IN STOCK - DROPSHIPS 14824KNThis Tuff Country 4 in. suspension lift kit is designed to make lifting your Chevy Truck simple and affordable. All systems are engineered to give the highest quality & best value on the market. All Tuff Country lift kits are backed by a limited lifetime warranty.... Tuff Country 88-97 Chevy Truck K2500/3500 4X4 (8 Lug) 4in Lift Kit (w/Stmped Lwr Cntrl Arm SX8000) 1988-1993 GMC K3500 Sierra / Sierra SLX 1988-1998 GMC K3500 Sierra SLE $1,765.10 |
 IN STOCK - DROPSHIPS 16822Tuff Country 88-97 Chevy Truck 6in Lift Kit (No Shocks) 1988-1993 GMC K3500 Sierra / Sierra SLX 1988-1997 GMC K3500 Sierra SLE $1,625.49 |
 IN STOCK - DROPSHIPS 16823Install Notes: New shocks are required. Fits vehicles with cast lower control arms, for vehicles with stamped lower control arms order part # 16824 instead... Tuff Country 88-97 Chevy K2500/3500 4X4 (8 Lug) 6in Lift Kit (w/Cast Lwr Cntrl Arm No Shocks) 1988-1993 GMC K3500 Sierra / Sierra SLX 1988-1998 GMC K3500 Sierra SLE $1,881.02 |
 IN STOCK - DROPSHIPS 16823KNTuff Country 88-97 Chevy K2500/3500 4X4 (8 Lug) 6in Lift Kit (w/Cast Lwr Cntrl Arm SX8000) 1988-1993 GMC K3500 Sierra / Sierra SLX 1988-1998 GMC K3500 Sierra SLE $2,148.39 |
 IN STOCK - DROPSHIPS 16824Lift kits are designed to add additional height to your truck or SUV to increase fender clearance and allow for larger tires. Tuff Country EZ-Ride Suspension has been producing suspension lift kits since 1988. All Tuff Country lift kits are engineered for the finest quality at an affordable price. S... Tuff Country 88-97 Chevy K2500/3500 4X4 (8 Lug) 6in Lift Kit (w/Stamped Lwr Cntrl Arm No Shocks) 1988-1993 GMC K3500 Sierra / Sierra SLX 1988-1998 GMC K3500 Sierra SLE $1,860.27 |
 IN STOCK - DROPSHIPS 16824KNLift kits are designed to add additional height to your truck or SUV to increase fender clearance and allow for larger tires. Tuff Country EZ-Ride Suspension has been producing suspension lift kits since 1988. All Tuff Country lift kits are engineered for the finest quality at an affordable price. S... Tuff Country 88-97 Chevy K2500/3500 4X4 (8 Lug) 6in Lift Kit (w/Stamped Lwr Cntrlo Arm SX8000) 1988-1993 GMC K3500 Sierra / Sierra SLX 1988-1998 GMC K3500 Sierra SLE $2,183.40 |
 IN STOCK - DROPSHIPS 97033Tuff Country's block and u-bolts kits are an economical solution to raising the rear end of many trucks and SUVs. Lift blocks are inserted between the factory axle and leaf spring to lift the rear end. Each kit includes lift blocks and extended zinc plated u-bolts, custom fit for the application.... Tuff Country 92-98 GMC Suburban 1500 & 2500 4wd 1.5in Rear Block & U-Bolt Kit 1988-1993 GMC K3500 Sierra / Sierra SLX 1988-1998 GMC K3500 Sierra SLE $131.31 |
 IN STOCK - DROPSHIPS 97034Tuff Country's block and u-bolts kits are an economical solution to raising the rear end of many trucks and SUVs. Lift blocks are inserted between the factory axle and leaf spring to lift the rear end. Each kit includes lift blocks and extended zinc plated u-bolts, custom fit for the application.... Tuff Country 92-98 GMC Suburban 1500 & 2500 4wd 2in Rear Block & U-Bolt Kit 1988-1993 GMC K3500 Sierra / Sierra SLX 1988-1998 GMC K3500 Sierra SLE $140.03 |
 IN STOCK - DROPSHIPS 97035Tuff Country's block and u-bolts kits are an economical solution to raising the rear end of many trucks and SUVs. Lift blocks are inserted between the factory axle and leaf spring to lift the rear end. Each kit includes lift blocks and extended zinc plated u-bolts, custom fit for the application.... Tuff Country 92-98 GMC Suburban 1500 & 2500 4wd 3in Rear Block & U-Bolt Kit 1988-1993 GMC K3500 Sierra / Sierra SLX 1988-1998 GMC K3500 Sierra SLE $136.73 |
 IN STOCK - DROPSHIPS 97036Tuff Country's block and u-bolts kits are an economical solution to raising the rear end of many trucks and SUVs. Lift blocks are inserted between the factory axle and leaf spring to lift the rear end. Each kit includes lift blocks and extended zinc plated u-bolts, custom fit for the application.... Tuff Country 92-98 GMC Suburban 1500 & 2500 4wd 4in Rear Block & U-Bolt Kit 1988-1993 GMC K3500 Sierra / Sierra SLX 1988-1998 GMC K3500 Sierra SLE $192.60 |
 IN STOCK - DROPSHIPS 97037Tuff Country's block and u-bolts kits are an economical solution to raising the rear end of many trucks and SUVs. Lift blocks are inserted between the factory axle and leaf spring to lift the rear end. Each kit includes lift blocks and extended zinc plated u-bolts, custom fit for the application.... Tuff Country 92-98 GMC Suburban 1500 & 2500 4wd 5.5in Rear Block & U-Bolt Kit 1988-1993 GMC K3500 Sierra / Sierra SLX 1988-1998 GMC K3500 Sierra SLE $222.06 |