UMI Performance 301517-B Rear Control Arm Kit Adjustable Upper Lower Arms Black

The UMI Performance 301517-B is a complete rear control arm kit designed for 1978-1988 GM G-Body vehicles. This comprehensive suspension upgrade includes one set of tubular lower control arms and one set of on-car adjustable upper control arms, known as "Ultimate Arms." These components serve as direct replacements for the factory setup, delivering enhanced strength, improved ride quality, and crucial rear end adjustability.

Key Features:

• Tubular lower control arms constructed from machine-guided DOM (Drawn Over Mandrel) tubing for superior strength while maintaining proper suspension geometry
• On-car adjustable upper control arms allow for precise suspension tuning without removal
• Reduces wheel hop and improves cornering performance for better track consistency and lower ETs
• Components are precision laser-cut from North American sourced materials
• High-quality Tiger Drylac powder coat finish in black provides long-lasting durability and corrosion resistance
• Includes polyurethane bushings, grease fittings, and zinc-plated steel sleeves
• Professional-grade welds from skilled welders and robotic welding for consistent quality
• 100% USA manufactured suspension components

This kit is engineered to deliver race-proven performance while maintaining the quality and reliability needed for street use. The adjustable upper arms enable pinion angle correction and proper suspension geometry setup, making this an ideal choice for enthusiasts looking to maximize their G-Body's handling potential.