The 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. ATTENTION: MUST PURCHASE LP MOUNTING KIT FOR INSTALLATION. IF EQUIPPED WITH FACTORY CONTACT OVERLOAD SPRINGS, CHECK VEHICLE FITMENT ABOVE FOR SPECIFIC INFORMATION ON YOUR YEAR AND MODEL VEHICLE.. The 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.. LP-35 Heavy Duty Load Leveling Helper Springs Late Model Dodge, Ford SINGLE REAR WHEEL-MULTI LEAF APPLICATION ONLY-DOES NOT FIT DUAL REAR WHEEL. CHECK VEHICLE FITMENT.. Hellwig 01-07 Ford F-350 SD Load Pro- To 3500lb Level LC 4 Leaf Stack Helper Spring w/o Mounting Kit. LP-35 Heavy Duty Load Leveling Helper Springs Late Model Dodge; Ford. LP-35 Heavy Duty Load Leveling Helper Springs Late Model Dodge, Ford. Install Kit Required (see Load Pro installation kits). LP-35 Heavy Duty Load Leveling Helper Springs. Level Load Capacity up to 3500lbs. Limited Lifetime Warranty. LP-35 HD HELPER SPR. Leaf Helper Spring. 1 ton applications. Easy Installation. Hellwig 3520. Tunable

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