1978 - 1996 GM B-Body Boxed Lower Control Arm and Adjustable Upper Control Arm Kit

1978 - 1996 GM B-Body Chassis Only
1994 - 1996 Chevrolet Impala SS
1978 - 1996 Chevrolet Caprice
1978 - 1996 Buick Roadmaster
1978 - 1988 Buick LeSabre
1978 - 1981 Pontiac Bonneville & Catalina

This kit includes (1) set of our Boxed lower control arms and (1) set of our on-car adjustable upper control arms, "Ultimate Arms". Both items are direct replacements of the OEM set up adding strength, ride improvement and most importantly, rear end adjustment. The lower control arms feature grease-able Energy Suspension polyurethane bushings, reinforced sway bar holes to accept all sway bars and brilliant powder coat. Our upper "Ultimate Arms" feature on-car adjustability using right and left hand threads, 4140 high strength Chrome Moly adjuster and a QA1 Teflon lined spherical rod end. The upper control arms give you best and easiest way to adjust pinion angle for suspension tuning.


- Each item CNC machined to exact tolerances and accuracy
- Lower control arms feature grease-able Energy Suspension
Polyurethane bushings
- Upper control arms feature on-car adjustability
- QA1 Teflon lined rod end helps eliminate rear end bind
- 4140 Chrome Moly threaded tube adaptors
- 4140 Chrome Moly heat treated adjuster

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Starting at: $479.99

  • Part #: 361517
  • Manufactured by: UMI Performance Inc.
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