View our Specials! Coupon Code: SaveIn2026
Looking for aftermarket parts to modify or upgrade your 1990 GMC K1500 with lowering kits? At Tunersports.com we carry a huge selection of the top name brand performance lowering kit parts and accessories.
 IN STOCK - DROPSHIPS 729SPLower your Sport Truck or SUV right the first time. Belltech Street Performance complete lowering kits include all the parts, pieces and shock absorbers you need to achieve not only the look you WANT, but the ride quality, performance & safety you NEED. Belltech engineers have reviewed the most popu... Belltech LOWERING KIT WITH SP SHOCKS 1988-1993 GMC K1500 Sierra / Sierra SLX 1988-1998 GMC K1500 Sierra SLE $571.00 |
 OUT OF STOCK 729NDLower your Sport Truck or SUV right the first time. Belltech Nitro Drop 2 complete lowering kits include all the parts, pieces and shock absorbers you need to achieve not only the look you WANT, but the ride quality, performance & safety you NEED. Belltech engineers have reviewed the most popular se... Belltech LOWERING KIT WITH ND2 SHOCKS 1988-1993 GMC K1500 Sierra / Sierra SLX 1988-1998 GMC K1500 Sierra SLE $512.00 |
 IN STOCK - DROPSHIPS 729Lower your Sport Truck or SUV right the first time. Belltech complete component lowering kits include all the parts and pieces you need to achieve not only the look you WANT, but the ride quality, performance & safety you NEED. Belltech engineers have reviewed the most popular setups for each Sport ... Belltech LOWERING KIT W/O SHOCKS 1988-1993 GMC K1500 Sierra / Sierra SLX 1988-1998 GMC K1500 Sierra SLE $252.00 |
 IN STOCK - DROPSHIPS 3216Established 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 1500 Pickup/92-99 1500 Suburban Blazer/Tahoe 1.5in Block Kit 1988-1993 GMC K1500 Sierra / Sierra SLX 1988-1998 GMC K1500 Sierra SLE $105.04 |
IN STOCK - DROPSHIPS 3225Established 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 1500 Pickup/92-99 1500 Suburban Blazer/Tahoe 2in Block Kit 1988-1993 GMC K1500 Sierra / Sierra SLX 1988-1998 GMC K1500 Sierra SLE $105.04 |
OUT OF STOCK 3238Established 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 1500 Pickup/92-99 1500 Suburban Blazer/Tahoe 3in Block Kit 1988-1993 GMC K1500 Sierra / Sierra SLX 1988-1998 GMC K1500 Sierra SLE $129.79 |
OUT OF STOCK 3249Established 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 1500 Pickup/92-99 1500 Suburban Blazer/Tahoe 4in Block Kit 1988-1993 GMC K1500 Sierra / Sierra SLX 1988-1998 GMC K1500 Sierra SLE $129.79 |
OUT OF STOCK 3259Established 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 1500 Pickup/92-99 1500 Suburban Blazer/Tahoe 5in Block Kit 1988-1993 GMC K1500 Sierra / Sierra SLX 1988-1998 GMC K1500 Sierra SLE $129.79 |
OUT OF STOCK 3297Established 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 1500 Pickup/92-99 1500 Suburban Blazer/Tahoe 2.5in Block Kit 1988-1993 GMC K1500 Sierra / Sierra SLX 1988-1998 GMC K1500 Sierra SLE $105.04 |