{"product_id":"umi-performance-70-81-polyurethane-leaf-spring-shackle-kit","title":"UMI Performance 2625 Poly Leaf Spring Shackle Kit for 70-81 Chevy Camaro\/Firebir","description":"\u003ch4\u003eVehicle Fitment\u003c\/h4\u003e\u003cul\u003e \u003cli\u003e1970-1981 Chevy Camaro (Base, RS, SS, Z28, LT, Rally Sport) (5.0L V8, 5.7L V8)\u003c\/li\u003e \u003cli\u003e1970-1981 Pontiac Firebird (Base, Esprit, Formula, Trans Am) (5.0L V8, 6.6L V8)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFeatures\u003c\/h4\u003e\u003cul\u003e \u003cli\u003eHigh-durometer polyurethane bushings for both leaf spring and chassis mounts\u003c\/li\u003e \u003cli\u003eLaser-cut steel shackles provide increased strength over factory components\u003c\/li\u003e \u003cli\u003eGloss black powder-coated finish for corrosion resistance and clean appearance\u003c\/li\u003e \u003cli\u003eImproves rear suspension responsiveness and handling precision\u003c\/li\u003e \u003cli\u003eReduces unwanted axle wrap and bushing deflection under load\u003c\/li\u003e \u003cli\u003eDirect-fit design requires no cutting, welding, or fabrication\u003c\/li\u003e \u003cli\u003eCompatible with stock springs or UMI 2620 performance lowering springs\u003c\/li\u003e \u003cli\u003eProudly manufactured in the USA using domestic materials\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e \u003cli\u003eMaterial: Polyurethane bushings, laser-cut mild steel shackles\u003c\/li\u003e \u003cli\u003eFinish: Durable gloss black powder coat\u003c\/li\u003e \u003cli\u003eHardware: Grade 8 bolts, washers, and lock nuts included\u003c\/li\u003e \u003cli\u003eFitment: Rear suspension leaf spring mount (GM F-body)\u003c\/li\u003e \u003cli\u003eWeight: Approx. 6 lbs total (kit)\u003c\/li\u003e \u003cli\u003eVehicle Platform: GM F-body (1970-1981)\u003c\/li\u003e \u003cli\u003eSpring Compatibility: UMI 2620 or stock-style leaf springs\u003c\/li\u003e \u003cli\u003eEmissions: Not emissions-related; 50-state legal\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eIncluded Components\u003c\/h4\u003e\u003cul\u003e \u003cli\u003e2x Laser-cut steel shackles (left and right)\u003c\/li\u003e \u003cli\u003e4x Polyurethane bushings (2x spring eye, 2x chassis mount)\u003c\/li\u003e \u003cli\u003e1x Grade 8 hardware kit (bolts, washers, nuts)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eProduct Description\u003c\/h4\u003e\u003cp\u003eThe UMI Performance 2625 Polyurethane Leaf Spring Shackle Kit is a direct-fit upgrade for the rear suspension of 1970-1981 Chevy Camaro and Pontiac Firebird models equipped with leaf spring setups. Designed for use with both stock and UMI 2620 lowering springs, this kit replaces worn-out rubber bushings and weak factory shackles with high-strength polyurethane and laser-cut steel for improved performance and durability.\u003c\/p\u003e\u003cp\u003eEngineered to reduce suspension flex and axle wrap under hard acceleration, the UMI 2625 improves vehicle stability and rear-end control without sacrificing ride quality. This kit is ideal for muscle car enthusiasts looking to enhance street or mild performance handling. Installation is straightforward and fully bolt-on with no modifications required. Made in the USA with premium materials, it's a dependable choice for restorations, restomods, or performance builds.\u003c\/p\u003e","brand":"UMI Performance","offers":[{"title":"Default Title","offer_id":53314459861311,"sku":"UMI2625","price":112.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0832\/7308\/9343\/files\/be7ba4627330ae7cde80da633b8bf5ec.jpg?v=1780018016","url":"https:\/\/wcaperformance.com\/products\/umi-performance-70-81-polyurethane-leaf-spring-shackle-kit","provider":"WCA Performance","version":"1.0","type":"link"}