{"product_id":"superlift-u-bolt-4-pack-5-8x3-1-4x14-square-w-hardware","title":"Superlift 5\/8 x 3-1\/4 x 14-Inch Square U-Bolt Kit","description":"\u003ch4\u003eClamp a Leaf-Spring Axle with Fresh High-Strength Hardware\u003c\/h4\u003e\u003cp\u003eSuperlift 11794 supplies four high-strength steel square U-bolts with matching locking nuts and washers for dimension-based leaf-spring and axle work. It is a universal component, so selection depends on measured diameter, inside width, length, bend shape, and required clamping clearance rather than year-make-model fitment.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eFour-piece square-bend U-bolt set for leaf-spring and axle mounting work\u003c\/li\u003e\n\u003cli\u003eLow-alloy high-strength steel construction\u003c\/li\u003e\n\u003cli\u003e5\/8-inch diameter with National Fine Class 2A threads\u003c\/li\u003e\n\u003cli\u003e3-1\/4-inch inside width and 14-inch overall length\u003c\/li\u003e\n\u003cli\u003eIncludes aircraft-style nylon-insert locking nuts and thick heat-treated washers\u003c\/li\u003e\n\u003cli\u003eAnti-corrosion zinc or E-coat finish is used by Superlift for this product family\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFitment\u003c\/h4\u003e\u003cp\u003eNo year-make-model fitment applies. Confirm every dimension, interface, clearance, load, and installation requirement shown below.\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eApplication Type\u003c\/th\u003e\n\u003cth\u003eRequirements\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eDimension Based\u003c\/td\u003e\n\u003ctd\u003eUniversal, dimension-based application. Requires a square bend, 5\/8-inch rod diameter, 3-1\/4-inch inside width, and 14-inch overall length. Confirm axle tube shape and diameter, spring pack thickness, plate-hole spacing, thread engagement, surrounding clearance, and required torque before purchase.\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSuperlift\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Part Number\u003c\/td\u003e\n\u003ctd\u003e11794\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eBolts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003eSet of four\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBend Style\u003c\/td\u003e\n\u003ctd\u003eSquare\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRod Diameter\u003c\/td\u003e\n\u003ctd\u003e5\/8 in (0.625 in; 15.875 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInside Width\u003c\/td\u003e\n\u003ctd\u003e3-1\/4 in (3.250 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall Length\u003c\/td\u003e\n\u003ctd\u003e14 in (355.6 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eLow-alloy high-strength steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread Type\u003c\/td\u003e\n\u003ctd\u003eNational Fine Class 2A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYield Strength\u003c\/td\u003e\n\u003ctd\u003e90,000-115,000 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eAnti-corrosion zinc or E-coat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUPC\u003c\/td\u003e\n\u003ctd\u003e804260018047\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch4\u003eWhat's Included\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eFour square-bend steel U-bolts\u003c\/li\u003e\n\u003cli\u003eEight matching nylon-insert locking nuts\u003c\/li\u003e\n\u003cli\u003eEight thick heat-treated flat washers\u003c\/li\u003e\n\u003cli\u003eNot included: Spring plates, lift blocks, leaf springs, and axle brackets\u003c\/li\u003e\n\u003cli\u003eNot included: Vehicle-specific installation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAbout Superlift\u003c\/h4\u003e\u003cp\u003eSuperlift has produced truck, Jeep, and SUV suspension components since 1975. Its universal U-bolt range provides multiple diameters, widths, lengths, and bend styles so installers can match measured axle and leaf-spring hardware instead of forcing a vehicle-specific catalog choice.\u003c\/p\u003e\u003ch4\u003eRelated Parts\u003c\/h4\u003e\u003cul\u003e\u003cli\u003ePair this hardware only with correctly sized spring plates, leaf springs, lift blocks, and axle components verified for the measured suspension assembly.\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eFAQ\u003c\/h4\u003e\u003cstrong\u003eWhat is the 11794?\u003c\/strong\u003e\u003cp\u003eIt is a universal set of four square-bend suspension U-bolts with matching locking nuts and washers, selected by physical dimensions rather than by vehicle application.\u003c\/p\u003e\u003cstrong\u003eDoes this kit have year-make-model fitment?\u003c\/strong\u003e\u003cp\u003eNo. It is dimension-based hardware and must be matched to the axle, spring pack, plate spacing, and available thread engagement.\u003c\/p\u003e\u003cstrong\u003eWhat are the critical measurements?\u003c\/strong\u003e\u003cp\u003eThe rod diameter is 5\/8 inch, the inside width is 3-1\/4 inches, the overall length is 14 inches, and the bend is square.\u003c\/p\u003e\u003cstrong\u003eHow many U-bolts are included?\u003c\/strong\u003e\u003cp\u003eThe package contains four U-bolts plus matching nuts and washers.\u003c\/p\u003e\u003cstrong\u003eCan these replace round-bend U-bolts?\u003c\/strong\u003e\u003cp\u003eNot unless the suspension assembly specifically accepts the square bend and every measured dimension matches. Bend shape is a required selection criterion.\u003c\/p\u003e\u003cstrong\u003eAre the U-bolts intended to be trimmed?\u003c\/strong\u003e\u003cp\u003eAny excess thread and trimming method should be evaluated against Superlift's instructions and the installer’s required thread engagement. Do not alter the hardware before confirming final fit and torque.\u003c\/p\u003e\u003cstrong\u003eCan used U-bolts be reinstalled instead?\u003c\/strong\u003e\u003cp\u003eSuspension U-bolts are highly loaded clamping fasteners. Follow the vehicle, axle, and suspension manufacturer's service guidance regarding replacement rather than assuming used hardware is reusable.\u003c\/p\u003e\u003cstrong\u003eWhat torque should be used?\u003c\/strong\u003e\u003cp\u003eUse the current Superlift torque guide together with the axle and suspension instructions for the specific assembly. Recheck torque after the prescribed initial service interval.\u003c\/p\u003e\u003ch4\u003eInstallation Instructions\u003c\/h4\u003e\u003col\u003e\n\u003cli\u003eMeasure the existing hardware and suspension assembly to confirm the 5\/8-inch diameter, 3-1\/4-inch inside width, 14-inch length, and square bend are correct.\u003c\/li\u003e\n\u003cli\u003eSupport the vehicle and axle safely, unload the leaf springs as required, and replace one clamping position at a time unless the suspension instructions specify otherwise.\u003c\/li\u003e\n\u003cli\u003eSeat each U-bolt squarely around the axle or specified bracket without forcing, spreading, heating, or hammering the legs.\u003c\/li\u003e\n\u003cli\u003eInstall the supplied washers and locking nuts, then tighten the nuts gradually in an alternating pattern using the current Superlift and vehicle torque guidance.\u003c\/li\u003e\n\u003cli\u003eVerify even thread engagement, plate alignment, brake-line clearance, and full suspension travel before returning the vehicle to service.\u003c\/li\u003e\n\u003cli\u003eRecheck U-bolt torque after the initial settling interval specified by the suspension manufacturer and during routine suspension inspections.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm. See www.P65Warnings.ca.gov.\u003c\/p\u003e","brand":"Superlift","offers":[{"title":"Default Title","offer_id":67872593870927,"sku":"SLF11794","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/superlift-11794-square-u-bolt-kit-01-1000.webp?v=1793026773","url":"https:\/\/www.blackopsautoworks.com\/products\/superlift-u-bolt-4-pack-5-8x3-1-4x14-square-w-hardware","provider":"Black Ops Auto Works","version":"1.0","type":"link"}