Looking for aftermarket parts to modify or upgrade your 1990 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 6605Belltech rear axle Flip Kits are designed application specific to relocate or Flip the rear axle of your truck from beneath the leaf spring to above, providing a dramatic amount of drop. Each Belltech rear axle Flip Kit is engineered for each individual application and manufactured with high quality... Belltech FLIP KIT 88-98 GM C1500/2500 STD CAB 6inch 1988-1993 GMC C1500 Sierra / Sierra SLX 1988-1998 GMC C1500 Sierra SLE $399.00 |
IN STOCK 6607Belltech rear axle Flip Kits are designed application specific to relocate or Flip the rear axle of your truck from beneath the leaf spring to above, providing a dramatic amount of drop. Each Belltech rear axle Flip Kit is engineered for each individual application and manufactured with high quality... Belltech FLIP KIT 88-98 GM C1500/2500 XtdCab 6inch 1988-1993 GMC C1500 Sierra / Sierra SLX 1988-1998 GMC C1500 Sierra SLE $429.00 |

IN STOCK - DROPSHIPS 6501Belltech leaf spring Hanger Kits are designed to minimally lower the rear of your leaf spring equipped Sport Truck or SUV by 2-4" (Note: Application dependent). Belltech's redesigned Hangers reposition the front or rear leaf spring mounting points (spring eyes) so you can simply and effectively lowe... Belltech HANGER KIT 88-98 GM C-1500/2500 EXT CAB 1988-1993 GMC C1500 Sierra / Sierra SLX 1988-1998 GMC C1500 Sierra SLE $209.11 |
IN STOCK - DROPSHIPS 6502Belltech leaf spring Hanger Kits are designed to minimally lower the rear of your leaf spring equipped Sport Truck or SUV by 2-4" (Note: Application dependent). Belltech's redesigned Hangers reposition the front or rear leaf spring mounting points (spring eyes) so you can simply and effectively lowe... Belltech HANGER KIT 88-98 C-1500/2500 STD CAB 1988-1993 GMC C1500 Sierra / Sierra SLX 1988-1998 GMC C1500 Sierra SLE $200.09 |

IN STOCK 5950By recalculating the arch of the leaf spring to provide the appropriate spring rate for a lowered ride height and utilizing the latest manufacturing techniques, Belltech's leaf springs are designed to easily lower the rear of your leaf spring equipped Sport Truck or SUV by up to 4 inches depending o... Belltech LEAF SPRING 88-98 C-1500/C-2500 1988-1993 GMC C1500 Sierra / Sierra SLX 1988-1998 GMC C1500 Sierra SLE $225.00 |

IN STOCK FTSBK3Rear Block Kit... Fabtech 88-98 GM C1500 2WD Extra Cab Rear Leaf Spring Block Kit - 3in 1988-1993 GMC C1500 Sierra / Sierra SLX 1988-1999 GMC C1500 Sierra SLE $75.37 |
IN STOCK FTSBK4Rear Block Kit... Fabtech 92-99 GM C1500 2WD Rear Leaf Spring Block Kit - 4in 1988-1993 GMC C1500 Sierra / Sierra SLX 1988-1999 GMC C1500 Sierra SLE $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 1988-1993 GMC C1500 Sierra / Sierra SLX 1988-1999 GMC C1500 Sierra SLE $76.76 |

IN STOCK 985Hellwig's medium-duty EZ-990 Helper Springs pack a lot of capability in every box. Packaged complete with the same heavy duty powder coated and plated components, hardware and installation instructions as our heavy duty helper spring products, these kits are designed for the vehicles that need light... Hellwig 88-98 Chevy Silverado 1500 2/4WD EZ Level 990 Helper Spring - Up To 2000lbs 1988-1993 GMC C1500 Sierra / Sierra SLX 1988-1998 GMC C1500 Sierra SLE $185.56 |

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 1988-1993 GMC C1500 Sierra / Sierra SLX 1988-1999 GMC C1500 Sierra SLE $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 1988-1993 GMC C1500 Sierra / Sierra SLX 1988-1999 GMC C1500 Sierra SLE $115.04 |

IN STOCK - LOW 300550Axle Flip Kit; 5 in. Drop; Incl. 2 Axle Relocators/2 Upper U Bolt Retainer Plates/2 Lower Spring Retainer Plates; 2 710515 Shackles; Powder Coated Grey... MaxTrac 88-98 GM C1500/2500 2WD 5/6 Lug (Non 454 SS) 5in Rear Lowering Flip Kit 1988-1993 GMC C1500 Sierra / Sierra SLX 1988-1998 GMC C1500 Sierra SLE $245.79 |
IN STOCK - DROPSHIPS 300560Axle Flip Kit; 6 in. Drop; Incl. 2 Axle Relocators/2 Upper U Bolt Retainer Plates/2 Lower Spring Retainer Plates; Powder Coated Grey... MaxTrac 88-98 GM C1500/2500 2WD 5/6 Lug (Non 454 SS) 6in Rear Lowering Flip Kit 1988-1993 GMC C1500 Sierra / Sierra SLX 1988-1998 GMC C1500 Sierra SLE $154.00 |

IN STOCK - DROPSHIPS 420520Lowering Hangers; 2 in. Rear; Powder Coated Grey; Incl. 2 Hangers/Emergency Brake Cable Bracket And All Necessary Hardware... MaxTrac 88-98 GM C1500/2500 2WD 5/6 Lug 2in Rear Lowering Hangers 1988-1993 GMC C1500 Sierra / Sierra SLX 1988-1998 GMC C1500 Sierra SLE $176.29 |

IN STOCK - LOW 910101Axle U-Bolt; For Use w/1-1.5 in. Lift Blocks; Set Of 4 U-Bolts w/Thick Nuts And Washers... MaxTrac Rear U-Bolts for 1in/1.5in Lift Blocks - 8.75in x 2.622in x 9/16in - Set of 4 1988-1993 GMC C1500 Sierra / Sierra SLX 1988-1998 GMC C1500 Sierra SLE $70.17 |
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 1988-1993 GMC C1500 Sierra / Sierra SLX 1988-1999 GMC C1500 Sierra SLE $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 1988-1993 GMC C1500 Sierra / Sierra SLX 1988-1999 GMC C1500 Sierra SLE $70.17 |

IN STOCK - LOW K150404By constantly introducing design enhancements that extend product life and simplify installation and replacement, MOOG has earned its reputation as the chassis industry's Problem Solver.... MOOG 1999 Cadillac Escalade Front Forward / Rear Forward / Rear Rearward Leaf Spring Shackle 1988-1993 GMC C1500 Sierra / Sierra SLX 1988-1998 GMC C1500 Sierra SLE $71.30 CLEARANCE VIEW PRICE IN CART |
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 1988-1993 GMC C1500 Sierra / Sierra SLX 1988-1999 GMC C1500 Sierra SLE $49.65 |
SHIPS FROM MANUFACTURER SB335QuickSteerTM chassis parts are designed and tested to restore steering and handling to their original performance.... MOOG 96-00 Isuzu Hombre Front Lower Leaf Spring Bushing 1988-1991 GMC C1500 Sierra / Sierra SLE / Sierra SLX $45.98 |