{"product_id":"firestone-4176-coil-rite-supplemental-spring-kit","title":"Firestone 4176 Coil-Rite Supplemental Spring Kit","description":"\u003cp\u003eLoad support can be adjusted by changing the air pressure in these coil-mounted helpers. The black urethane pair in Firestone 4176 runs at 5–35 PSI and has a 1,000-pound load rating.\u003c\/p\u003e\u003cp\u003eFitted inside the existing coils, the springs cushion axle-to-frame contact and absorb road shock. Variable-rate support helps maintain vehicle level, improve steering and braking, align headlights and limit tire wear as loads change.\u003c\/p\u003e\u003cp\u003eThe no-drill kit supplies mounting brackets and hardware, air springs, air line and individual manual-fill valves. It excludes compressor, bellows and roll plates; the installation estimate is one hour.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eAir Spring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLoad Capacity\u003c\/th\u003e\n\u003ctd\u003e1000 Pound\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWith Air Compressor\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003ctd\u003eSet Of 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePressure Range\u003c\/th\u003e\n\u003ctd\u003e5 To 35 Pounds Per Square Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eUrethane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting Type\u003c\/th\u003e\n\u003ctd\u003eCoil Spring Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWith Bellows\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWith Air Line\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWith Roll Plate\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWith Valve\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRemote Type\u003c\/th\u003e\n\u003ctd\u003eNot Applicable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWith Mounting Hardware\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEstimated Install Time (Hours)\u003c\/th\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eManufacturer warranty\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eLimited Lifetime Warranty\u003c\/li\u003e\u003c\/ul\u003e","brand":"Firestone Industrial","offers":[{"title":"Default Title","offer_id":48433819418830,"sku":"4176","price":156.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3785\/6462\/files\/ImageServerAPI_60fbca9b-a3c4-4ae2-8db5-2696c3a3fb97.png?v=1791570965","url":"https:\/\/newrvparts.com\/en-us\/products\/firestone-4176-coil-rite-supplemental-spring-kit","provider":"New RV Parts","version":"1.0","type":"link"}