UMI Performance 73-87 GM C10 Handling Kit Stage 1.5 Viking Shocks - Red - 64015-R

The Stage 1.5 kit offers exceptional ride and handling, featuring a heavy-duty front sway bar and three-way adjustable rear sway bar for excellent control and balance. The versatile double adjustable...

UMI Performance 73-87 GM C10 Lowering Kit (4.5in Front/6in Rear) - 6400

Stage 2 kit features 4.5″/6″ drop for an awesome stance. UMI springs combined with drop spindles yield 4.5″ front lowering. The UMI flip kit, shock relocation bracket and factory leafs team up for a...

UMI Performance 73-87 GM C10 Lowering Kit (4.5in Front/6in Rear) with UMI shocks - 6400-1

UMI’s 6400-1 lowering kit drops your squarebody an eye catching 4.5″/6″ and throws in some great handling to finish it off. This kit includes satin black powder coated 2.5″ drop spindles, UMI 2″...

UMI Performance 73-87 GM C10 Lowering Spindle 2.5in drop - CP4S4

Heavy duty 2.5″ drop spindles feature UMI satin black powder coat for ultimate durability. Spindles use GM C10 factory bearings and accept factory GM brake kits.This Part...

UMI Performance 73-87 GM C10 Race Upper Control Arms - Black - 6434-B

UMI’s adjustable upper a-arms feature race quality, adjustable rod ends. Camber and caster can be adjusted, often without the need for shims.This Part...

UMI Performance 73-87 GM C10 Race Upper Control Arms - Red - 6434-R

UMI’s adjustable upper a-arms feature race quality, adjustable rod ends. Camber and caster can be adjusted, often without the need for shims.This Part...

UMI Performance 73-87 GM C10 Rear Sway Bar 1in Adjustable - 6443-B

UMI’s Pro-Tour style rear sway bar dramatically improves the handling of the C10 squarebody. This bar features 3-position adjustability to fine tune handling balance. When paired with our 6440 front...

UMI Performance 73-87 GM C10 Rear Sway Bar 1in Adjustable - 6443-R

UMI’s Pro-Tour style rear sway bar dramatically improves the handling of the C10 squarebody. This bar features 3-position adjustability to fine tune handling balance. When paired with our 6440 front...

UMI Performance 73-87 GM C10 Shock Relocation Kit Rear - 6411

The UMI Performance P/N 6411 rear shock relocation kit provides a proven mounting solution for stock length shocks on flip kit lowered vehicles. Strong 3/16” thick construction and all hardware is...

UMI Performance 73-87 GM C10 Shock Stud Kit Front - 6493

Kit includes UMI CNC manufactured zinc plated upper shock stud and lower bolt kit. Front of truck requires two kits. Sold each.This Part Fits:YearMakeModelSubmodel1978-1980ChevroletC10Big...

UMI Performance 73-87 GM C10 Shock Stud Kit Rear - 6494

Kit includes UMI CNC manufactured zinc plated upper shock stud and lower bolt kit. Rear of truck requires two kits. Sold each.This Part Fits:YearMakeModelSubmodel1978-1980ChevroletC10Big...

UMI Performance 73-87 GM C10 Street Performance A-Arm Kit - Black - 643233-B

UMI’s street performance a-arm kit improves steering feel, enhances cornering and reduces wandering.This Part Fits:YearMakeModelSubmodel1978-1980ChevroletC10Big...