UMI Performance 206575-3-R Coil Spring Lowering Kit with Weight Jack Set for 1982-1992 GM F-Body

The UMI Performance 206575-3-R weight jack kit is engineered for 1982-1992 GM F-Body vehicles seeking serious road race and autocross performance. This complete lowering system combines premium racing springs with adjustable weight jack plates to deliver independent corner weight tuning—essential for competitive handling on track days while remaining suitable for occasional street use.

Key Features:

• Adjustable Lowering: 0 to 2-½ inch drop capability with easy ride height adjustment using a standard ¾" socket and ratchet
• Premium Racing Springs: 1050 lb/in front springs and 200 lb/in rear springs custom wound for firm, track-focused suspension
• Corner Weight Tuning: Independent adjustment at each corner allows precise weight distribution for optimal road race and autocross handling
• Precision Construction: CNC laser cut from ¼" thick USA steel with anti-rotation tabs for durability and accurate alignment
• Smooth Adjustment: Exclusive UMI thrust bearings and Acme threads distribute load evenly and enable effortless ride height changes
• Maximum Clearance: Design maintains factory clearance around struts while allowing maximum tire and wheel width
• Versatile Compatibility: Works with UMI, Viking, Koni, or factory struts and shocks; fits UMI and factory K-members
• Race Proven: Extensively tested at 2" drop from stock height in competitive environments

Fitment Notes: Front kit is compatible with UMI and factory K-members but may not fit other aftermarket brands. Rear kit works with factory rear end housing and Strange Engineering brand housings only; minor grinding required on left axle pad. Verify compatibility before ordering.

100% manufactured, tested, and race proven in the USA. This is a competition-oriented suspension kit designed for enthusiasts who prioritize track performance with occasional street driving.