SuperSchool | Coil SumoSprings Step 1 of 11 9% Can you install Coil SumoSprings on all vehicle suspensions?Answer:*YesNo - only vehicles with front and rear coil spring suspensions, and usually with a gross vehicle weight rating (GVWR) of less than 9,000 lbs. Save and Continue Later Is the product material the same as used in the manufacture of all the other SumoSprings?Answer:*Yes - it's the same closed micro-cellular urethaneNo - it's gum Save and Continue Later What's the warranty on Coil SumoSprings?Answer:*Limited lifetime warranty on the original vehicle to which they are installed, subject to certain conditions. See our website for details.Three weeks Save and Continue Later Do Coil SumoSprings work with strut suspensions?Answer:*Yes - exactly the same as a straight coil spring suspensionWhat's a strut suspension? Save and Continue Later If I don't find a Coil SumoSprings application listed in the website application guide, is there a way to find a fit for my application?Answer:*Yes - visit the "Measurements" page on the SuperSprings website found under products | Coil SumoSpringsDon't hold you breath Save and Continue Later How long does a typical installation take?Answer:*Usually no more than 10-15 minutes per coil7-10 business days Save and Continue Later On which vehicles, should I expect the most noticeable ride and drive improvement?Answer:*Class 8 work trucksSUV's, CUV's, and minivansClass A motorhomes Save and Continue Later If I have a very heavy load in the rear of my minivan, or am towing a large trailer, can I insert more than one Coil SumoSpring for additional load assistance?Answer:*Yes - provided the factory coil is tall enough to accommodate bothMinivans cannot tow anything Save and Continue Later I have a plow on the front of my half-ton pickup truck. Will the Coil SumoSprings help stop the nose from sagging?Answer:*Yes - this is the original reason they were disignedNo Save and Continue Later Do I have to remove the Coil SumoSprings from the front of my half-ton pickup truck when I take off the plow, so I don't ruin the ride?Answer:*No - Coil SumoSprings are a "Fit it & Forget it" solution for load problems, that do not negatively impact on the vehicle's unloaded rideJust remove the Coil SumoSpring on the driver's side Save and Continue Later Name* First Last Email* PhoneName of CompanyCAPTCHA Save and Continue Later This iframe contains the logic required to handle Ajax powered Gravity Forms.