UMI ABF405-1-B 65-66 A-Body Kit, 1 Inch Lowering Stage 3, Black

UMI’s Stage 3 Handling Kit Includes:

#4032 – Tubular lower front a-arms with Delrin bushings.

#4033-1 – Tubular upper front a-arms with Delrin bushings & ½” taller ball joints.

#4035 – Heavy duty 1-1/4” front sway bar with new bushings & endlinks.

#4034 – Solid 1” heat treated rear sway bar.

#4052 – 1” lowering springs, linear spring rates (530 lb/in front, 130 lb/in rear).

#4038 – Tubular rear lower control arms with Roto-Joint.

#4039 – Adjustable rear upper control arms with Roto-Joints.

#4029 – Tubular frame braces with hardware.

Key Features:

#3000 – Replacement rear end housing bushings.

#4004 – Front upper & lower Grade 8 hardware kit.

#4001 – Rear control arm Grade 8 hardware kit.

(4) UMI SP series shocks, designed & tuned for optimum ride quality combined with responsive handling.

Big Block Engines: An additional 1/4″ front end drop may occur on vehicles with full weight big block engines.

Increased spindle height by 1/2” via tall upper ball joints for improved camber gain and a better 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 and accept standard springs or coilovers.

1.250” front sway bar for flat cornering, CNC bent from 4140 balanced with 1” solid heat formed rear sway bar.

UMI SP series shocks feature monotube construction and designed & tuned for optimum ride quality combined with responsive handling.

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.