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Front high strength progressive rate coil springs for a great ride on any terrain
the Compression wheel is engineered to enhance both the appearance and handling characteristics of your vehicle
all four control arms plus mounting brackets
Vehicle-specific upper mount includes a composite bushing that isolates noise and vibration
25 thread pitch for a seamless installation
1997-2026 E-450 Superduty Special Design Helper Spring Kit (9640) perfomance-turbo Front high strength progressive rateThe Hellwig LP 35 Helper Spring set the standard for all other aftermarket helper springs. Featuring a Fulltime Spring Rate design it is the workhorse of the Hellwig Spring line. This is ideal for fleet applications or vehicles that consistently carry a heavy load day in and day out. Features 1 ton applications Easy Installation Install Kit Required (see Load Pro installation kits) Level Load Capacity up to 3500lbs Tunable Specifications Color Finish:
