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Please Note: SuperSprings International products are specifically designed for vehicles equipped with factory suspension. We cannot guarantee their compatibility with aftermarket products or parts. For questions about fitment on your specific vehicle, please contact us.

Scott Jewett
2023-07-10 11:17:33

I have a Durango with the Tow-N-Go package. Even though my trailer is well within the specs for the Durango, I'd still get some "squat" when I hooked up. I thought about getting air bags and went to a shop and they directed me to SuperSprings. I'm very happy with the results. They were easy to install, they reduced body roll (even when I'm not towing) and the rear sags much less when I'm towing. Handling when I'm towing seems improved - although that's 100% subjective.

Mark Logue
2023-07-06 11:50:38

This product is rad! I was looking for a product that would 1) help reduce sag a little bit while loaded down (for me that is when I am towing), 2) that wouldn't affect my on road driving adversely 3) wouldn't inhibit my ability to drive off-road, over obstacles, etc. both while not towing, AND while towing and an added bonus was easy install and little to no maintenance. This seemingly silly SuperSpring Coil SumpSpring insert TOTALLY did the trick! I've got about 5000 miles on this set that I put in the rear on my 2018 Jeep JL Wrangler Unlimited Rubicon. First thing I noticed right after installing was the Jeep was MUCH more stable. Some call it "stiffer", that's not how I would describe it... It wasn't any more harsh or stiff, it just seemed to help manage roll and the rebound seemed more healthy. It actually absorbed bumps better in the rear and made the front end actually feel more in control. Additionally, this helped handling while under a load (towing) my Hive EX offroad expedition camper trailer BEAUTIFULLY... it was literally like there wasn't a trailer back there. Immensely improved handling. I saw close to an inch less sag in the rear too, which was great! Went from almost 2 inches of sag, to just 1 inch when towing. I was skeptical on how it would do with sag, though I was more concerned with improved handling characteristics, but this little SumoSpring improved on both. Lastly, I really wanted something that I didn't have to remove or worry about popping when articulating and getting flexy and more technical offroad. I hit some pretty good trails and went fill flex, and actually saw that my stock rubicon suspension on 35" tires no longer rubbed the inner fender liner in the rear at all when fully articulated. After the trail abuse the sumospring still seems to be in good order, in position, and functioning just as it did before offroad outings. I am VERY pleased with this product for the money. It is truly an upgrade whether you adding weight or not, and it really did impress me. I like to think i am a harsh critic, and for the money of this molded piece of foam material, I was extra skeptical, but I was VERY impressed and fell in love with this product quickly. I HIGHLY recommend this for those looking for something that will improve suspension feel, handle the beating off 4x4ing, and aid with heavy loads/towing. It has been monumental for us.

Mark Elkins
2023-02-03 09:17:51

Excellent products. Fairly simple to install. Very happy with results. Will very likely purchase these products for any future vehicles

Douglas Hargis
2022-10-11 15:15:27

I bought these spacers figuring they had a little more material than the others recommended for the highlander. There was plenty of space. I texted tech support to confirm that I purchased the correct part and the agent was super helpful talking me through it. Thank you!

Tom Bateman
2022-07-07 11:23:52

Hello! Thank you for bringing this to our attention. We're sorry you had this initial experience. I've sent you an email and we'll be sending out the right parts to fit your vehicle. Looking forward to hearing how the right ones work on your truck! -Tom

bond Bainbridge
2022-07-07 08:53:19

byers beware i bought these for My 2020 base gmc sierra 1500 and they don't fit ... i called Gm they tell me i have a stock truck no frills yet summosprings says my spring are not stock because the cs1168 don't fit .. the problem is that the spacing between the sumospring coil upper and lower groove is 1.68 inch and my spacing on the truck coil is closer to 2, 3/4 inch's apart since i bought thru amazon and it took a wile for me to resolve this im stuck with these ...

Dale Harrison
2021-01-01 10:44:39

I have a 2017 Expedition. These were simple to install with a little bit of soap they slipped right on. Nice you get the top inside lip on it was so easy. Took longer to take my wheel off then it did to install these. Haven’t had a chance to load my trailer onto it yet so cross fingers these help with my sag.

Phil Gottes
2020-07-30 06:41:28

Horrible product after spending even 30 min trimming the part like they tell you that you have to do it is possible to install. Does not fit a 2016 Ford expedition. Don't trust the video it is in no way this easy. You will also create a huge mess trimming the product with an air tool. No other way to trim it. Not recommend and I love Supersprings products but this one horrible!

Thomas Thompson
2018-06-18 07:12:24

I’ve utilized the Coil SumoSprings on a 2008 Honda Ridgeline and on a 2014 Chevrolet Silverado and both have created a more than desirable outcome. Both vehicles were long distance highway drivers and both pull(ed) to their max GVWR. The Coil SumoSprings assisted, greatly, in reducing front end dip and body roll, stiffening up the front end for a more desirable feel when at load or unloaded. I would recommend them to anyone looking to remove some of the factory ‘Cadillac’ feel vehicles have, especially if using a vehicle for towing/hauling. *Quality product with easy installation and maintenance free.

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Customer Reviews

8 ratings for the CSS-1168
4 out of 5

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Product Specifications

Weight 3 lbs
Dimensions 10.75 × 7.25 × 4.5 in
Application(s) Summary

Chevrolet Express 1500 4 X 2 (2007-2014) ; Chevrolet Express 2500 4 X 2 (2007-2020) ; Chevrolet Express 3500 4 X 2 (2007-2020) ; Chevrolet Express 4500 4 X 2 (2009-2020) ; Chevrolet Silverado 1500 4 X 2 (2007-2020) ; Chevrolet Silverado 1500 4 X 4 (2007-2020) ; Chevrolet Silverado 1500 Classic 4 X 2 (2007-2007) ; Chevrolet Silverado 1500 Classic 4 X 4 (2007-2007) ; Chevrolet Silverado 1500 HD Classic 4 X 2 (2007-2007) ; Chevrolet Silverado 1500 HD Classic 4 X 4 (2007-2007) ; Chevrolet Venture 4 X 2 (1997-2005) ; Dodge RAM 1500 4 X 2 (2009-2010) ; Dodge RAM 1500 4 X 4 (2001-2010) ; Ford Bronco 4 X 4 (2021-2023) ; Ford Expedition 4 X 4 (2013-2020) ; Ford Expedition 4 X 2 (2006-2013) ; Ford Expedition 4 X 4 (2005-2007) ; Ford Transit Connect 4 X 2 (2014-2015) ; Ford Windstar 4 X 2 (1995-2003) ; GMC Savana 1500 4 X 2 (2007-2014) ; GMC Savana 2500 4 X 2 (2007-2020) ; GMC Savana 3500 4 X 2 (2007-2020) ; GMC Savana 4500 4 X 2 (2009-2020) ; GMC Sierra 1500 4 X 2 (2007-2020) ; GMC Sierra 1500 4 X 4 (2007-2020) ; GMC Sierra 1500 Classic 4 X 2 (2007-2007) ; GMC Sierra 1500 Classic 4 X 4 (2007-2007) ; GMC Sierra 1500 HD Classic 4 X 2 (2007-2007) ; GMC Sierra 1500 HD Classic 4 X 4 (2007-2007) ; Honda Fit 4 X 2 (2007-2013) ; Honda Odyssey 4 X 2 (2005-2010) ; Honda Ridgeline 4 X 2 (2006-2014) ; Hyundai Elantra 4 X 2 (2011-2014) ; Hyundai Santa Fe 4 X 4 (2007-2014) ; Hyundai Santa Fe 4 X 2 (2007-2012) ; Jeep Grand Cherokee 4 X 4 (1999-2004) ; Jeep Wrangler 4 X 4 (2007-2018) ; Jeep Wrangler 4 X 4 (1997-2006) ; RAM 1500 4 X 4 (2011-2020) ; RAM 1500 4 X 2 (2011-2013) ; RAM ProMaster 1500 4 X 2 (2014-2020) ; Toyota Highlander 4 X 2 (2001-2015) ; Volkswagen Transporter T5 4 X 2 (2003-2015 ; Volkswagen Transporter T6 4 X 2 (2016-2020)

Spring Diameter


Spring Height



Coil capacity increased by 15% to 30%