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Use promotional code MMJ35 at checkout to receive 35% off the following categories: Select Brake Parts, Select Hi-Performance and Truck Accessories, Batteries, Paint, Splash Guards, Select Ventvisors & Bug Shields, Springs & Spacers, Water Pumps, Belts, A/C Parts, Starters, Alternators, Fuel Pumps, Radiators, Radiator Fans, Thermostats, Caps & Clamps, Clutches, Spark Plugs, Plug Wires, CV Axles, Battery Chargers & Booster Cables, OE Locks, Rack & Pinons, Window Motors, RainX Wipers, Appearance Chemicals, Floor Mats, Lift Equipment, Hand Tools, Travel Accessories, Car Covers, Seat Covers, Wheel Covers, Body Repair, Collectibles and Apparel.

Use promotional code MMJ20 at checkout to receive 20% off the following categories: Ignition, Shocks & Struts, Chassis, Jumpstarts, Air Filters, Oil Filters, Bearings & Seals, Engine Parts, Wash Accessories, Outdoor Lifestyle, Towing, Mini Air Compressors, Tire Repair Accessories, Mufflers, Grease/Oil, Additive Chemicals, P/S Pumps, Cooling Product, Timing Belts, Specialty Tools, Radiator Hose, Motor Mounts, Mirrors, Lug Nuts, Sealants/Adhesives, Fuel Filters, P/S Hoses, Gas Cans, Oil Change Accessories, Help, Wiper Motors, Loaner Tools, Air Compressors, Horns, Books, Distributors, Sun Control and Exhaust Adapters.

Use promotional code MMJ15 at checkout to receive 15% off the following categories: Test Equipment, Power Tools, Emergency Supplies, Electronics and Stereo & Accessories (MAP pricing Exclusions).

Offers not valid in combination with any other discounts, promotions or items already on sale. Not valid on gift cards, special orders, installed merchandise, commercial or fleet purchases. Those products that are included in these offers will be displayed in product search results and product detail pages. Excludes the following brands: WeatherTech, Champion, Powerstop, Razor, Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, NOS, Proform, Specialty Auto, Autometer, Accel, K&N, Kenwood, Pioneer, Sony, Thule, Thule Karrite, JVC, Flowmaster, Hurst, B&M, MSD, Moog, Wagner, Philips, Fanmats, K-Source and BBK Performance. Valid online until 11:59 PM EST on 11/26/17.

Receive 10% Off Wagner branded brake parts with your online purchase. Use promotional code: WAGNER10.

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Receive 10% Off Select FelPro branded products with your online purchase. Use promotional code: FELPRO10.


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Superior Automotive R.V. Heavy Duty Underleaf Helper Spring 1017533
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  • Part #: 11-1040|
  • SKU: 1017533

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    • Eliminates sagging from soft suspension, providing better performance and improved handling
    • Gives added life for larger tires and custom wheels.
Retail
$46.99

Superior Automotive R.V. Heavy Duty Underleaf Helper Spring

Heavy Duty Underleaf Helper Spring, 2,000 lbs. capacity. Do not use on newer truck applications that have a built-in stock overload or where the spring is above the axle. Read all instructions before attempting to install this item.
  • Eliminates sagging from soft suspension, providing better performance and improved handling
  • Gives added life for larger tires and custom wheels.
  • Provides up to 2,000 Lbs. overload capacity. Used for off-highway where addtional clearance is required.
  • Easy to install & remove. Hardware Included. Full length is 32-1/2" long for leaf springs up to 2-1/2" wide.
  • Mount under existing leaf springs where adequate clearance is allowed.
  • DO NOT USE THIS ITEM FOR NEWER TRUCK APPLICATIONS. NOT FOR VEHICLES WITH BUILT-IN STOCK OVERLOAD OR VEHICLES WITH THE SPRING ABOVE THE AXLE.
  • READ INSTRUCTIONS BEFORE PURCHASING THIS ITEM.


1017533

Superior Automotive R.V. Heavy Duty Underleaf Helper Spring is rated 3.3 out of 5 by 3.
Rated 4 out of 5 by from They helped a little I tried this before getting new leaf springs for my camaro. They help but i still get a sag.
Date published: 2016-08-21
Rated 4 out of 5 by from useful Ok so the 2,000 lb is a stretch. You're not going to change a 1500 into a 3500 for 50 bucks. They are great for bringing life back to my 24 year old springs. I installed them by myself in about 3 hours, even though the instructions were less than helpful for my truck.
Date published: 2016-07-18
Rated 2 out of 5 by from ok 2 person job ,slight problem to install . stated FOR 2000 lbs total weight
Date published: 2013-11-26
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