UMI Performance GBF035-2-B - 1978-1988 GM G-Body Handling Kit, 2" Lowering- Stage 3.5 - Black

Note: Chassis mounted rear sway bar included fits factory rear end axle tubes measuring 2.750". If your vehicle is using an aftermarket rear end with larger axle tubes please contact us for 3.000" or 3.250" u-bolts.

Key features:
Increased spindle height by 1/2" via tall upper ball joints for improved camber gain and a better tire contact patch. Works nicely in conjunction with lowering springs.
Upper a-arms add caster for improved steering feel and straight line stability.
Lower a-arms feature UMI-built Delrin bushings, premimun ball joints and bump stops.
1-1/4" front sway bar for flat cornering, CNC bent from 4140.
UMI shocks feature monotube construction and rebound damping adjustment. Rebound adjustment tuning improves handling and responsiveness.
UMI springs feature ultra premium CrSi material with linear rates front and rear for consistent handling. (530 lb/in front, 130 lb/in rear).
Rear trailing arms feature Poly and Roto-Joints as well as adjustable uppers for setting pinion angle and rear lateral location.
Roto-Joints allow smooth articulation for improved handling and less bind.
1" diameter rear Pro-Tour sway bar offers tune-able rear roll resistance and less binding for street, corner carving or light drag and is balanced well with our 1-1/4" front bar and spring rates.
Entire kit is designed and built in the USA.

UMIs Stage 3.5 Handling Kit Includes:
UMI rebound adjustable monotube shocks.
1" or 2" lowering springs, linear spring rates (600 lb/in front, 130 lb/in rear).
Tubular front lower a-arms with Delrin bushings.
Tubular upper front a-arms with Delrin bushings & " taller ball joints.
Heavy duty 1-1/4" front sway bar with new bushings & endlinks.
Tubular & adjustable 1" pro-touring rear sway bar, chassis mounted design.
Rear lower control arms featuring Roto-Joint & Polyurethane combination.
Adjustable rear upper control arms with Roto-Joints.
Heavy duty frame braces with new high grade hardware.
Replacement polyurethane rear end housing bushings.
New Grade 8 proper mounting hardware.
Spring Heights: Springs are intended for small block engine. Lightweight LS engines may require trimming and an additional 1/4" front end drop may occur with a full weight big block. When choosing desired height, 1" lowering tends to sit just slightly lower than factory while 2" lowering offers a mild well rounded lowered look still allowing proper suspension travel.