{"product_id":"king-shocks-3-0-inch-id-coil-spring-12-inch-length-250-lb-spring-rate","title":"King Shocks 3.0-Inch ID Coil Spring, 12-Inch Length, 250 lb Spring Rate","description":"King coil springs are manufactured to our specifications in the USA using the finest quality, high tensile, chrome silicon wire available. Our springs are specifically wound for off-road applications, not repackaged car springs. Our spring rates, wire diameters, and coil lengths have been developed through extensive real world testing on all types of terrain. Our race winning designs have been put to the test in the heat of battle from Baja to Dakar. All springs have closed and ground ends to sit flat and deflect true. We have the largest selection of springs to match your application. We sell thousands of springs a month with barely a return ever, yet we offer a lifetime warranty to the original purchaser against sagging and breakage. You will have the added peace of mind knowing you're covered, just in case. In the rare occurrence that a spring does fail, it will be cheerfully replaced with no questions asked. Our customer support is second to none just like the quality and performance of our products. Nothing rides like a King.\nCoil Spring; 3.0 in.; 12 in. Length\/250 lbs. Spring Rate;\n\u003cul\u003e\n  \u003cli\u003eCoils Are Made From The Finest Quality; High Tensile; Chrome Silicon Wire Available\u003c\/li\u003e\n  \u003cli\u003eKing Coil Springs Are Manufactured To Our Specifications Right Here In The USA\u003c\/li\u003e\n  \u003cli\u003eCoils Are Closed And Ground To Sit Flat And Deflect True\u003c\/li\u003e\n  \u003cli\u003eOver 10;000 Springs In Stock And Ready To Ship\u003c\/li\u003e\n  \u003cli\u003eSpecifically Wound For Off-Road Applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eKing Shocks coil springs are engineered and manufactured in the USA specifically for off-road applications. Unlike repackaged automotive springs, the King Shocks SPR3-12-250 is developed with carefully selected spring rates, wire diameters, and coil lengths based on extensive real-world testing across demanding terrain. Its 250-pound spring rate provides a dependable foundation for suspension systems that require consistent support and predictable performance.\u003c\/p\u003e\u003cp\u003eManufactured from high-tensile chrome silicon wire, this coil spring is designed to withstand the repeated loads and impacts associated with off-road driving, racing, and recreational use. The coils feature closed and ground ends that sit flat in the spring seats, helping the spring deflect properly and maintain stable suspension operation. The 3.0-inch inside diameter and 12-inch free length make this spring suitable for compatible King Shocks and other properly specified off-road suspension systems.\u003c\/p\u003e\u003cp\u003eKing Shocks backs its coil springs with a lifetime warranty to the original purchaser against sagging and breakage, providing added confidence for demanding applications. The SPR3-12-250 is sold individually and should be selected according to vehicle weight, suspension design, travel requirements, and the manufacturer’s recommended spring rate. Verify fitment and suspension specifications before installation.\u003c\/p\u003e\u003ch3\u003eBrief Description\u003c\/h3\u003e\u003cp\u003eUSA-made off-road coil spring with a 3.0-inch inside diameter, 12-inch length, and 250-pound spring rate.\u003c\/p\u003e\u003ch3\u003eKey Product Specifications \u0026amp; Technical Data\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrand: King Shocks\u003c\/li\u003e\n\u003cli\u003ePart Number: SPR3-12-250\u003c\/li\u003e\n\u003cli\u003eProduct Type: Off-road coil spring\u003c\/li\u003e\n\u003cli\u003eInside Diameter: 3.0 inches\u003c\/li\u003e\n\u003cli\u003eFree Length: 12 inches\u003c\/li\u003e\n\u003cli\u003eSpring Rate: 250 pounds per inch\u003c\/li\u003e\n\u003cli\u003eMaterial: High-tensile chrome silicon wire\u003c\/li\u003e\n\u003cli\u003eEnd Design: Closed and ground ends\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cp\u003eOne King Shocks SPR3-12-250 coil spring.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eFitment data should be verified against the vehicle’s suspension configuration, coilover or shock assembly, required spring rate, and available travel. This spring is intended for compatible off-road suspension applications.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh-Tensile Chrome Silicon Wire: Manufactured from premium spring material for strength and reliable performance under repeated off-road loads.\u003c\/li\u003e\n\u003cli\u003eUSA Manufacturing: Built to King Shocks specifications in the United States for consistent quality and dependable construction.\u003c\/li\u003e\n\u003cli\u003eOff-Road Specific Design: Developed and tested for demanding off-road terrain rather than adapted from passenger-car spring designs.\u003c\/li\u003e\n\u003cli\u003eClosed and Ground Ends: Finished to sit flat in the spring seats and help the spring deflect consistently.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eAir Freight Prohibited: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eNot Carb Approved: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eLtl Freight Required: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eProp 65: Unknown\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003ePart Type: automotive\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eEpa: N\/A\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eCarb Acknowledgement Required: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eRegular Stock: t\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eUnits Per Sku: 1\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"King Shocks","offers":[{"title":"Default Title","offer_id":67695264399612,"sku":"SPR3-12-250","price":147.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/6518\/3740\/files\/e4bb0a71a79dd9cdb29988957c757e8a_33aa8058-8154-4a52-a2a2-044deeca5a74.png?v=1791920415","url":"https:\/\/diycustoms.store\/products\/king-shocks-3-0-inch-id-coil-spring-12-inch-length-250-lb-spring-rate","provider":"diycustoms.store","version":"1.0","type":"link"}