View our Specials! Coupon Code: SaveIn2026
Looking for aftermarket parts to modify or upgrade your 1999 GMC C1500 with leaf springs & accessories? At Tunersports.com we carry a huge selection of the top name brand performance leaf springs & accessory parts and accessories.
 IN STOCK FTSBK3Rear Block Kit... Fabtech 88-98 GM C1500 2WD Extra Cab Rear Leaf Spring Block Kit - 3in 1988-1999 GMC C1500 Sierra SLE 1994-1999 GMC C1500 Sierra SL / Sierra SLT $75.37 |
 IN STOCK FTSBK4Rear Block Kit... Fabtech 92-99 GM C1500 2WD Rear Leaf Spring Block Kit - 4in 1988-1999 GMC C1500 Sierra SLE 1994-1999 GMC C1500 Sierra SL / Sierra SLT $84.88 |
 IN STOCK - LOW FTS1500UBK-3Fabtech 88-98 GM C1500 2WD Extra Cab Square U-Bolt Kit - 9/16-18 x 12.50 x 2.63 1988-1999 GMC C1500 Sierra SLE 1994-1999 GMC C1500 Sierra SL / Sierra SLT $76.76 |
 IN STOCK 61912Silent Support System Series up to 2500 lbs. Level Load capacity. Great for ½, ¾ and 1-ton applications. Over axle mounting design makes for a quick and easy installation. ATTENTION: IF EQUIPPED WITH FACTORY CONTACT OVERLOAD SPRINGS CHECK VEHICLE FITMENT ABOVE FOR SPECIFIC INFORMATION ON YOUR YEAR... Hellwig 88-98 GMC C1500 Pro Series Helper Spring - Up To 2500lb Level Load Capacity 1988-1999 GMC C1500 Sierra SLE 1994-1999 GMC C1500 Sierra SL / Sierra SLT $482.15 |
 IN STOCK 2002Improves Traction by reducing spring wrap. Simple, quick bolt on install... Hellwig Chevy / Ford / Dodge Traction Control Spring w/ 2.5in Wide Leaf Springs 1988-1999 GMC C1500 Sierra SLE 1994-1999 GMC C1500 Sierra SL / Sierra SLT $115.04 |
 IN STOCK - DROPSHIPS 910102Axle U-Bolt; For Use w/2 in. Lift Blocks; Set Of 4 U-Bolts w/Thick Nuts And Washers... MaxTrac Rear U-Bolts for 2in Lift Blocks - 10.00in x 2.625in x 9/16in - Set of 4 1988-1999 GMC C1500 Sierra SLE 1994-1999 GMC C1500 Sierra SL / Sierra SLT $75.67 |
 IN STOCK - LOW 910104Axle U-Bolt; For Use 1-2 in. Lift Blocks; Set Of 4 U-Bolts w/Thick Nuts And Washers... MaxTrac Rear U-Bolts for 3in/4in Lift Blocks - 12.50in x 2.625in x 9/16in - Set of 4 1988-1999 GMC C1500 Sierra SLE 1994-1999 GMC C1500 Sierra SL / Sierra SLT $70.17 |
 SHIPS FROM MANUFACTURER K200897QuickSteerTM chassis parts are designed and tested to restore steering and handling to their original performance.... MOOG 99-00 Cadillac Escalade Front Rearward Leaf Spring Bushing 1988-1999 GMC C1500 Sierra SLE 1994-1999 GMC C1500 Sierra SL / Sierra SLT $49.65 |