UMI Performance 206575-3-B Weight Jack Coil Spring Lowering Kit 1982-1992 GM F-Body Race

The UMI Performance 206575-3-B weight jack kit transforms your 1982-1992 GM F-Body (Camaro/Firebird) into a track-ready machine with adjustable ride height and corner weight tuning capability. Engineered specifically for autocross and road racing with occasional street use, this complete front and rear kit delivers a firm, responsive ride quality suited for serious competition.

Premium Racing Springs:

• Front: 1,050 lb/in custom-wound premium racing springs
• Rear: 200 lb/in custom-wound premium racing springs
• Made from USA premium CrSi wire for consistent performance
• Includes rear coil spring isolators and upper poly isolators

Adjustable Weight Jack System:

• 0 to 2-½" adjustable lowering range (optimal performance at 2" drop)
• UMI-exclusive thrust bearing system for smooth, easy ride height changes
• Acme thread design spreads load evenly to prevent bending
• Simple adjustment with 3/4" socket, extension, and ratchet
• Independent corner weight tuning for precise handling balance
• Anti-rotation tab for enhanced stability

Heavy-Duty Construction:

• Strong 1/4" thick CNC laser-cut USA steel construction
• Durable black powder coat finish
• 100% designed, manufactured, tested, and race-proven in the USA
• Maintains factory clearance around strut for maximum tire and wheel width

Compatibility:

• Front kit: Compatible with UMI and factory K-members (may not fit other brands)
• Rear kit: Works with factory rear end housing and Strange Engineering brand rear housings only
• Pairs perfectly with UMI, Viking, or Koni struts and shocks
• Also compatible with factory struts and shocks

Installation Note: Minor grinding required on left rear axle pad for proper fitment. Instructions included.

Race-tested and competition-proven, the UMI 206575-3-B weight jack kit provides the adjustability of a coilover system while maintaining optimal tire clearance and offering precise corner balancing for competitive motorsports applications.